In this task, you're given a dialogue between a customer and a flight booking agent with a gap in the conversation. Your job is to find the answer of the previous dialogue. Avoid using irrelevant extra information while creating the answer. The answer should be relevant to the question before the blank. If you fill the blank with a question, it should have an answer from the agent in the given dialogue. Fill the gap marked with underline.

Example Input: customer: Hello. 
 agent: Hello. How may I help you? 
 customer: I am Emma Baker, I would like to travel to San Francisco, SFO. So will you help me to reserve a flight ticket? 
 __ 
 customer: I am located in New York, the airport I prefer is LGA. 
 agent: Emma, when are you planning your journey? 
 customer: I planned to travel on 01/11 and the return might be on 01/13. 
 agent: Emma, there are no flights available at this moment. 
 customer: It's ok, thank you for searching. 
 agent: Thank you for reaching us. 
 customer: You are welcome.
Example Output: agent: Sure. May I know your source airport code please?

Example Input: customer: Hi. 
 agent: Hello. 
 __ 
 agent: How can I help you Lewis? 
 customer: I am planning to attend a Tennis competition in IAD from IAH. Can you find a flight ticket for me? 
 agent: May I know your desired travel dates please? 
 customer: Your trip dates are 05/10 to 05/12. 
 agent: There is a flight with connection limit 1 and fare 100, shall I proceed for booking? 
 customer: You can reserve it. 
 agent: Your ticket is booked, flight number 1022. 
 customer: Thank you. 
 agent: Thank you for opting us.
Example Output: customer: I am Jerry Lewis.

Example Input: customer: Hi. 
 agent: Hello. How can I help you? 
 __ 
 agent: May I know your travelling dates please? 
 customer: My travelling dates are 04/26 and 04/28. 
 agent: There is a flight with single connection, can I proceed for booking? 
 customer: Ok, please confirm my ticket with Linda Davis. 
 agent: Your booking is done in 1027 flight? 
 customer: Thank you for your help. 
 agent: Thank you.
Example Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
customer: I am planning to go for JFK from EWR, can you please help me out?

