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 may I guide you? 
 __ 
 agent: Sure, can I know your preferable dates? 
 customer: I am planning to start on 01/12 and return back on 01/14. 
 agent: I am sorry, there are no flights available on your given dates. 
 customer: Ok, no problem. Thank you for the information. 
 agent: Thank you for your time.
Output:
customer: I am Alexander Turner. I would like to book a flight ticket from DFW to LAS.