You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you reserve a ticket from DTW to PHX?

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates are Sep 14 to 16.

ASSISTANT: Do you have any airline preference?

USER: I need normal-cost airline.

ASSISTANT: Can I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: We found a flight on Delta airline, flight number 1023 with the fare of 500.

USER: Ok, please proceed.

ASSISTANT: Can I know your name for booking?

USER: Emily Hill here.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.