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. I am William Jones. 
 agent: Hello, how may I help you today? 
 customer: Could you please help em to book a flight from DEN - DCA to meet my cousin? 
 agent: Sure, we are perky to help you. On which dates would you like me to book a flight ticket for you? 
 customer: My travel dates are 04/19 and 04/21. 
 agent: Do you need a lay by in between your journey? 
 customer: Yes, I need a halt in between the journey. 
 agent: Thank you for providing your details. 
 customer: Ok. 
 agent: We found a flight in UA airline has fare 100 matches given specifications. Shall I proceed for booking? 
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 agent: Your booking has been confirmed with flight number 1014. 
 customer: Thank you. 
 agent: Thank you for availing us.
Output:
customer: Ok, please proceed.