You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Janet Jackson.

ASSISTANT: How may I assist you?

USER: I am looking for a flight from Detroit, can you help me out?

ASSISTANT: Sure, I am her to help you out. May I know your travelling dates please?

USER: My depart would be on Jul 1st and recur will be on Jul 3rd.

ASSISTANT: May I know your origin airport code and destination airport code please?

USER: Ok, my origin airport code is DTW and destination airport code is OAK.

ASSISTANT: How much you can spend for airfare?

USER: I can afford 1000 for my airfare.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure, take your own time.

ASSISTANT: UA airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Please proceed with it.

ASSISTANT: Your ticket is booked with the flight-1025.

USER: Thank you for your help in booking the flight ticket.

ASSISTANT: Thank you for reaching us.