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.
Problem:customer: Hi, I am Paul Harris. 
 agent: Hello, how may I help you? 
 customer: Can you please reserve me a flight ticket which is having it's depart time in the afternoon? 
 agent: Sure, may I know your trip dates please? 
 customer: My trip dates are 05/09 - 05/11. 
 agent: Can I know your airport codes please? 
 __ 
 agent: Ok, please wait for a while. 
 customer: Ok. 
 agent: Thank you for waiting and we have found a flight in economy class with 0 connection in Spirit airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight? 
 customer: Please reserve. 
 agent: Ok, your ticket is booked with the flight number1018. 
 customer: Thank you. 
 agent: My pleasure.
Solution:
customer: My airport codes are DFW - LAX.