You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Christine Jones, I would like to travel Boston for attending a convocation day. Can you please help me in booking the ticket from SFO to BOS?

ASSISTANT: Sure, May I know you planned travel dates for booking your ticket?

USER: I am willing to travel on 02/12 and again I will be return back on 02/14.

ASSISTANT: Sorry to tell you, there are no flights available on our route as per your travel dates.

USER: Not a big problem, anyhow thank you very much for your help.

ASSISTANT: Christine Jones, thank you for reaching us. Have a great day.