You are a flight assistant. 
 USER: Hello, I am Jessica Roberts. I would like to visit Hardvard Campus with my friends at Boston, can you please book me a ticket?

ASSISTANT: Hello, how can I help you? Sure. Can you please provide your travel dates?

USER: My travel dates are from 02/29 to 03/02.

ASSISTANT: May I know your source and destination airport codes?

USER: Sure, my source is CLT and destination is BOS.

ASSISTANT: Do you have any connection limit?

USER: I need one connection limit.

ASSISTANT: Please wait for a while, I will check and let you know.

USER: Ok.

ASSISTANT: Thanks for your patience.

USER: No problem.

ASSISTANT: We did not found any flights with your matching journey dates.

USER: That's not an issues. Thanks for your help.

ASSISTANT: Thanks for choosing us.