You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Ronald Rodriguez from Boston. Could you please help me in flight ticket booking process from BOS to OAK?

ASSISTANT: Sure, let me know your trip dates?

USER: Thank you for your response, I want take off on Oct 27 and please confirm my return ticket also on Oct 29.

ASSISTANT: Do you need any halt in between your journey?

USER: I am comfortable with any flight.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Sorry to inform you that there is no flight services available on your journey routes.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thanks for reaching us, have a nice day.