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 guide you? 
 customer: I am Samantha Harris. I would like to book a flight ticket from CLT to OAK. Could you please help me out? 
 agent: Sure, can I know your preferable dates? 
 __ 
 agent: I found a flight 1016 of Southwest airlines matches with your preferences, can I proceed? 
 customer: Your ticket is confirmed. Yes, please proceed. 
 agent: Your ticket is booked. Thank you, have a good day. 
 customer: Thank you for the help.
Output:
customer: I am planning to start on 03/05 and return back on 03/07.