You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please reserve me a flight ticket from IAD to JFK.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are Sept 12 and Sept 14.

ASSISTANT: Can you please help  me with your connection limit?

USER: I prefer connecting flight on this route.

ASSISTANT: Do you have any other requirements?

USER: No, I don't have.

ASSISTANT: May I know your name, please?

USER: I am Amy Wright.

ASSISTANT: Sorry, there are no flights available.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.