You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me to book a flight ticket from PHX to DTW?

ASSISTANT: Sure, let me know your travelling dates.

USER: My preferred dates are Oct 17 and Oct 19 respectively.

ASSISTANT: May I know your connection limit?

USER: I am looking for a single stopover in my journey.

ASSISTANT: Do you have any other requirements?

USER: No, other preferences.

ASSISTANT: May I know your name please?

USER: Myself William White.

ASSISTANT: We found a Delta airline, flight number: 1023, price: 200 with one connection.

USER: Please proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.