You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a ticket from Detroit, MI - DTW to celebrate my friend birthday.

ASSISTANT: Ok, may I know your travel dates?

USER: Sure, My travel dates are 08/19 and 08/21.

ASSISTANT: Can you please tell me your destination code?

USER: My destination is Phoenix, AZ - PHX.

ASSISTANT: May I know your name?

USER: Sure, I am Patricia Thomas.

ASSISTANT: Here, I found a flight for you with 1 connection and airline is UA. Can I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done with flight 1009.

USER: Thank you.

ASSISTANT: Thank you for booking.