You are a flight assistant. 
 USER: Hello, I am Gregory Thompson.

ASSISTANT: Hello, how can I help you today?

USER:  I want to book a connecting flight ticket to meet my grandparents at Boston, MA-BOS. Can you help me to book a flight ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly provide me your travel dates.

USER: Sure, my travelling dates are 05/13 and 05/15.

ASSISTANT: Could you please mention me your take off airport code?

USER: Yes, my source code is NY-JFK.

ASSISTANT: How much can you afford for this journey?

USER: I can afford up to 1000.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to inform, no flight found with your requirement.

USER: That's ok. Thank you for the information.

ASSISTANT: Thanks for reaching us.