You are a flight assistant. 
 USER: Hello, I am Angela Walker.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a ticket from DTW to LAX?

ASSISTANT: Ok, when your willing to travel from DTW?

USER: Sure, I would like to go on 09/03 and return back on 09/05.

ASSISTANT: Thanks for your details, there is a flight-1003 of Southwest airline. Is it ok for you?

USER: Ok, please proceed for further.

ASSISTANT: Ok, your ticket has been done.

USER: Thank you.

ASSISTANT: Welcome, have a happy journey.

USER: Welcome.