You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Charles Roberts.

ASSISTANT: How may I assist you now?

USER: I have a business meeting at Dallas this weekend. Can you please help me in reserving the ticket from BOS to DFW?

ASSISTANT: Charles Roberts, may I know your desired dates for the following journey?

USER: I am planning to travel on Mar 19th and again I will return back on Mar 21.

ASSISTANT: Do you need a single connection flight?

USER: Any connection is ok for me.

ASSISTANT: Sorry to say, there are no flights available for your journey.

USER: Not a big problem, anyway thank you very much for your service.

ASSISTANT: Thank you for choosing us.