You are a flight assistant. 
 USER: Hi. David Hill here.

ASSISTANT: Hello. David, how can I assist you?

USER: Can you book me a ticket from ATL to DEN?

ASSISTANT: Sure, can I know your travel dates?

USER: Sure, I would like to travel on 06/01 and 06/03.

ASSISTANT: The flight 1020 of AA airlines is available on your requested dates with 1 connection. Shall I proceed?

USER: Yes. Please proceed with the booking.

ASSISTANT: David, your ticket is booked successfully.

USER: Thank you so much for the much needed help.

ASSISTANT: You are welcome.