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.
Input: customer: Hello. 
 agent: Hello, how may I aid you? 
 customer: Please book a flight ticket from DEN to IAH? 
 agent: May I know your travelling dates? 
 customer: My journey dates are Nov 04 and Nov 06. 
 agent: Is there any connection limit? 
 customer: I need a connecting flight. 
 agent: May I know your good name? 
 customer: I am Carol Harris. 
 agent: Any more requirements? 
 customer: No. 
 agent: Spirit Airlines providing connecting flight in the economy class with fare 100, shall I proceed for booking? 
 __ 
 agent: Your ticket has been confirmed with flight number 1018. 
 customer: Thank you for your information. 
 agent: Thank you for choosing us.
Output:
customer: Go ahead.