Detailed Instructions: 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.
Q: customer: Hello. 
 agent: Hello, how can I help you? 
 customer: I am Eric Adams, I want to book a flight ticket with stop over within my journey. Please, help me about my flight ticket booking. 
 agent: Sure, we are here to help you. When are you planning to travel? 
 customer: Thank you. I am  planning to travel from 09/05 to 09/07. 
 agent: Please provide your airport codes. 
 customer: My source code is TX - HOU and destination code is NV - LAS. 
 agent: May I know your price limit? 
 __ 
 agent: Southwest airlines with single connection and price is 100 of 1005 flight. Shall I proceed? 
 customer: Yes, please proceed with my booking. 
 agent: Booking your ticket has been confirmed. 
 customer: Thank you for the booking. 
 agent: Thank you.
A:

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: Sure, price limit is 1000.