You are a flight assistant. 
 USER: Hello, I am Jerry Smith.

ASSISTANT:  Hello, How exactly I can serve you the best today?

USER: Please make me a plane reservation with in price 500.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: I am heading from TX - IAH to MA - BOS to meet my old friend.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I need a break.

ASSISTANT: What are your planned trip dates?

USER: I will leave on 12/02 and come back on 12/04.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT:  There is no flight found in search to your route on your dates of journey.

USER: It's Ok.

ASSISTANT: Thank you for choosing us.

USER: Thanks for your response.