You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what sort of help are you seeking from us?

USER: I would like to travel from DFW to OAK as a business trip, can you do the reservation?

ASSISTANT:  Let me know when you are willing to travel to book a flight?

USER: My trip dates are 02/05 and 02/07.

ASSISTANT: Which flight you have preferred to travel either a connecting flight or a direct flight?

USER: I need break in my journey.

ASSISTANT:  If you can help me with your name, I can begin looking up for the availability of flights.

USER: Steven Martinez here.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: I am comfortable with economy class.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: No issue, thanks for the information.

ASSISTANT: Thank you for availing us.