You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I. I want to attend a even in Boston, could book a ticket for me?

ASSISTANT: Sure.

USER: My location codes are from JFK to BOS.

ASSISTANT: May I know your trip dates?

USER: My planned dates are from 11/21 till 11/23. Make sure that connection limit should be 1.

ASSISTANT: Sorry to say this, no flights as per your details.

USER: That's ok.

ASSISTANT: May I know your name?

USER: My name is David Perez.

ASSISTANT: Perez, thank you for contacting us.

USER: Thank you for your help.