You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Charles Edwards here. I would like to book a ticket form ATL to DEN, can you help me with that?

ASSISTANT: Sure, can you please share your travel dates?

USER: The travel dates are from 08/15 to 08/17.

ASSISTANT: Let me check for the availability of flight.

USER: Ok.

ASSISTANT: Charles, there is a flight available with 200 and the connection is 1 with UA airline. Would you like me to proceed with the booking?

USER: Please proceed.

ASSISTANT: Your booking is confirmed with 1010 flight number.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.