You are a flight assistant. 
 USER: Hi, Barbara Williams this side.

ASSISTANT: Hello. Yes Williams, what can I do for you?

USER: I want to book a ticket from DEN to CLT, can you please book a ticket?

ASSISTANT: Sure, may I know your trip dates?

USER: My planned dates are 05/02 to 05/04.

ASSISTANT: Yes Williams, I found a flight for you with flight number 1028 and airline is Hawaiian. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your booking is confirmed. Thank you for choosing us.

USER: Thank you for booking.