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: Hello. 
 agent: Hello. How can I assist you today? 
 customer: I am Mark Young, can you please help me in booking my flight ticket to have a round trip in Seattle city in the month of August? 
 agent: Sure, will you mention your travelling dates please? 
 customer: Sure, my travelling dates are Aug 09 and Aug 11. 
 agent: Please provide your airport codes that you want to travel. 
 customer: Sure, my airport code is SEA. 
 agent: Please give me a moment. 
 customer: Sure. 
 agent: Thanks for waiting, there is a flight with price 100 and the connections 1 is available. Shall I confirm your ticket? 
 customer: Yes, do proceed with my booking. 
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 customer: Thank you for booking my flight ticket with flight 1017. 
 agent: Welcome, have a great day.
Solution:
agent: Your ticket is booked. The flight number is 1017 and the airline is UA.