You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please book a ticket from BOS to JFK to attend Client meeting.

ASSISTANT: Sure, may I know your name?

USER: I am Paul Mitchell.

ASSISTANT: When do you want to depart and return?

USER: My travelling dates are May 14 and May 16.

ASSISTANT: Can I know your connection limit?

USER: I want a direct flight.

ASSISTANT: Sorry, there are no flights available on your request.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.