You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Deborah Carter. I want to travel from PHX to DEN. Can you book a flight ticket for me?

ASSISTANT: Sure, I am very glad to help you. Can I know your preferable dates to me?

USER: I want to fly in the flight on 04/21 and 04/23.

ASSISTANT: Please be on hold for a while to check the best flight for you.

USER: Ok.

ASSISTANT: I found a flight with the price of 100 having one connection. Shall I proceed with booking?

USER: Proceed to booking.

ASSISTANT: Your ticket has been booked with the flight number 1017.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.