You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I want to book a flight ticket from BOS to JFK to catch another flight in JFK region, can you help in that?

ASSISTANT: Sure, I will help you in out in booking. May I know your travelling dates please?

USER: Yes, the journey dates are on 10/06 and back on 10/08.

ASSISTANT: Can you provide your name please?

USER: Sure, my name is Nancy Roberts.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there are no flights on these dates.

USER: That's fine, thank you for your help.

ASSISTANT: Ok, thank you for choosing our services.