Teacher: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.
Teacher: Now, understand the problem? Solve this instance: customer: Hello. 
 agent: Hello. How may I aid you? 
 customer: I am Cynthia Perez. I would like to book a ticket from SEA to ATL, can you please help me out? 
 agent: Sure, can you tell me your travel dates please. 
 __ 
 agent: Thanks for waiting. I have found Delta airlines which flies with one connection. 
 customer: Ok, you can proceed. 
 agent: Sure, I have confirmed your flight ticket. 
 customer: Thank you for your services. 
 agent: Thank you.
Student:

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 travelling on these dates 01/11 and 01/13.