You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am John Garcia want to attend a cultural event at Detroit, so can you book a ticket for me?

ASSISTANT: Sure, John Garcia. Could you help me with your journey dates?

USER: I want to start on 01/27 and I intended to return on 01/29.

ASSISTANT: Do you have any price limit?

USER: I can afford up to 500.

ASSISTANT: May I know your travelling dates? Fine, may I know your airport codes please?

USER: My airport codes are OAK-DTW.

ASSISTANT: John Garcia, please be on hold for a moment.

USER: Sure.

ASSISTANT: I am glad to inform you that Southwest airline is available on your dates with fare 300 only. It is with 1 connection. Shall I proceed to book it for you?

USER: Please proceed with my booking.

ASSISTANT: John Garcia, your booking has been done with flight number 1019.

USER: Thank you for your help in booking.

ASSISTANT: Welcome. Thank you for consulting us, have a safe flight.