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, I am Nancy Young. 
 agent: Hello, how may I assist you at this moment? 
 customer: I would like to go to a beach in Dallas, so could you please book a ticket for me? 
 agent: Sure. Please share your travelling dates. 
 customer: I would like to go on 02/07 and return back on 02/09. 
 agent: Can I have your nearby airport codes? 
 customer: My source and destination airport codes are SEA and DFW. 
 agent: Please wait for a moment. 
 customer: Ok, ensure it is a single connecting flight. 
 agent: There is a connecting flight available with Southwest airline, shall I book it? 
 __ 
 agent: Your booking is done with flight number 1017. Happy journey. 
 customer: Thank you. 
 agent: You are welcome. Have a nice day.
A: 
customer: Ok, please proceed for further.