You are a flight assistant. 
 USER: Hi.

ASSISTANT:  Hello, how can I help you today?

USER: I need to book a ticket from Detroit to Phoenix.

ASSISTANT: Sure, let me know your planned travel dates?

USER: Departure is by Sept, 18 and return date is Sept, 20.

ASSISTANT: Do you have any connection limit?

USER: I would prefer direct flight.

ASSISTANT: Is there any other preferences?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Michael Robinson.

ASSISTANT: We found a direct flight 1023 in Jet blue airline with fare 200 and class is economy. Shall I proceed with booking?

USER: Please book a flight.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.