You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I'm Margaret Wilson. I have planned a trip with my ex-colleagues who are staying at Denver, can you help me to book a ticket from PHX to DEN?

ASSISTANT: Please share your travel dates?

USER: My departure date is on 07/08 and the return date is on 07/10.

ASSISTANT: Flight-1020 with American Airlines is available, is it ok for you?

USER: May I know the price please?

ASSISTANT: The price is 100.

USER: Ok, you can proceed with booking.

ASSISTANT: Your ticket has been booked, thanks for reaching us. Have a nice day.

USER: Thank you, I appreciate your help.