You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: To launch a Handle Bar at Detroit, I want to book a ticket from Oakland.

ASSISTANT: Ok.

USER: Could you help me in booking a flight ticket on 01/13 from Oakland?

ASSISTANT: Sure, let me know your airport codes.

USER: I have to leave the OAK to reach the DTW airport.

ASSISTANT: Ok, please provide your name.

USER: I am John Smith and book a ticket with this name.

ASSISTANT: To proceed booking I need your other journey date.

USER: My  return date is on 01/15.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight with airline: Hawaiian, flight number:1025, price 200, 1 connection.

USER: Ok.

ASSISTANT: Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for availing me.

ASSISTANT: Thank you.