You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?>.

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

ASSISTANT: Yes, can you tell me your travelling dates?

USER: Thank you. I have planned my travel dates as July 30 and Aug 01.

ASSISTANT: Do you have any other preferences?

USER: I would prefer single connecting flight so please make sure that.

ASSISTANT: Give me a moment.

USER: Sure, take your time.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: That  is fine, please proceed with booking.

ASSISTANT: Can I know your name for booking?

USER: Sure, myself Nicole Allen.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.