You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Brenda Gonzalez here. I want to travel for Detroit to visit automobile industry which is famous there. Will you please help me in booking my ticket from Oakland?

ASSISTANT: Sure, may I know your source and destination codes?

USER: My source and destination codes are from OAK to DTW.

ASSISTANT: Ok, could you please provide your journey dates?

USER: My journey dates are from 02/05 to 02/07.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight for you with number 1003 in Delta airline.

USER: Great, proceed my booking with the above flight.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.