You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you?

USER: My name is Dennis Carter. My convocation is going to held in ATL, can you book a ticket from DEN?

ASSISTANT: Yes Dennis, I'm here to help you. May I know your preferable dates of journey please?

USER: The dates are from 07/11 to 07/13.

ASSISTANT: I find a flight with connection is 1 of cost 100 and flight number 1012 with airline Hawaiian. Shall I proceed with the booking?

USER: Yes, you can proceed.

ASSISTANT: Your is booking done.

USER: Thank you.

ASSISTANT: You are welcome.