Q: 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.
customer: Hello. I am Dorothy Jones. 
 agent: Hello, how shall I aid you? 
 __ 
 agent: May I know your travelling dates please? 
 customer: Sure, My travelling dates are from 11/25 to 11/27. 
 agent: Ok, I will check the flight availability and revert you in a moment. 
 customer: Sure. 
 agent: We found an airline Jet Blue with airline number 1010. Price is 100 with two connections. 
 customer: You can proceed for booking a flight ticket. 
 agent: Ok, your reservation has been processed. 
 customer: Thanks for your information. 
 agent: Thank you for contacting us, have a safe journey.
A:
customer: I need to book a flight ticket from WA-SEA to PA-PHL.