You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Brian Nelson.

ASSISTANT: What can I do for you Brian?

USER: I want to travel from DFW to OAK, can you please book a flight ticket for me?

ASSISTANT: Yes, I will help you in booking your ticket from DFW.

USER: My travelling dates are from 10/12 and 10/14.

ASSISTANT: I found a flight 1002 with Delta airlines on your required locations. Shall I book the ticket for you?

USER: Sure, please proceed with it.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us, have a great trip.