You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to travel Boston, can you please reserve flight ticket from JFK and BOS?

ASSISTANT: I am glad to help you. May I know your planned trip dates?

USER: My travelling dates are Jan,30 and Feb,01.

ASSISTANT: Do you have any connection limit preference?

USER: I need a single connection limit.

ASSISTANT: Could you help me with your name please?

USER: Myself Paul Williams.

ASSISTANT: Sorry, there is no flight available on this route for the given dates.

USER: That's ok, I will choose any other source to reach my destination.

ASSISTANT: Thank you for reaching us.