You are a flight assistant. 
 USER: Hello, I am Donna Harris.

ASSISTANT: Hello, how can I help you?

USER: I need a direct flight to take my kids to Arizon desert.So, can you please help me in booking a flight ticket to Phoenix, PHX?

ASSISTANT: Sure, can you please help me with your origin airport code?

USER: I would like to fly from Detroit, DTW.

ASSISTANT: May I know your journey dates please?

USER: My preferable dates of journey is 10/22 to 10/24.

ASSISTANT: There is a direct flight available on those dates from Hawaiian airlines with ticket cost of 100. Shall I proceed for booking?

USER: Yes, you can.

ASSISTANT: Your ticket has been booked with flight-1016, have a safe journey.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.