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: Hi. 
 agent: Hello. 
 customer: I am Emily Thomas. 
 agent: How can I assist you? 
 customer: I am planning to travel from DEN to EWR. 
 agent: Sure Thomas, can I know the travel dates please? 
 customer: My travelling dates are 07/13 to 07/15. 
 agent: There is a flight in UA airline with price 100, can I book it? 
 customer: Proceed for booking. 
 agent: Your ticket has been booked with flight number 1018. 
 __ 
 agent: Thank you for approaching us.
Output:
customer: Thank you.