You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking my ticket from BOS to JFK?

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, my trip dates are from 04/23 to 04/25.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: May I know your name please?

USER: Myself Amy Wright.

ASSISTANT: Sorry Amy, there is no flight available.

USER: It's ok, thank you for your help.

ASSISTANT: Most welcome.