You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I have planned to book a plane ticket to attend office event in DEN, so can you assist me in booking my ticket from PHX?

ASSISTANT: Sure, may I know your connection limit?

USER: I need single connection between my trip.

ASSISTANT: Can you please share your planned travel dates?

USER: My preferred dates are Apr 28th and Apr 30th.

ASSISTANT: Do you have any other requirements?

USER: No other specifications required.

ASSISTANT: May I know your name please?

USER: Debra Wilson.

ASSISTANT: We found an UA airline, flight number: 1017, price: 600, it is a direct flight.

USER: Proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.