Definition: 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 can I support you today? 
 customer: Mark Adams here. I'm planning to visit Dallas, can you please book a ticket from DCA to DFW? 
 agent: Sure, we are ecstatic to help you. May I know on which dates you are willing to travel? 
 customer: Sure, my planned departure and return travel dates are 2nd and 4th of July. 
 agent: Is there any restrictions in ticket fare? 
 customer: Yes, I can afford upto 500 for my ticket. 
 agent: As per your information, we found a direct flight with a fare of 200 in 1019 Spirit airline. Shall I proceed? 
 __ 
 agent: Ok, your ticket has been confirmed. 
 customer: Thank you so much for your help in booking the ticket. 
 agent: Thank you for choosing us.
Output:
customer: That's fine, you can proceed for booking the ticket.