You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Sure, can you share your trip so I can check the availability of the flights?

USER: Thank you. I have planned my travel dates as Nov 30 and Dec 02.

ASSISTANT: Do you have any connection limit preference?

USER: I would like to travel in direct flight so please make sure that.

ASSISTANT: Do you have any other specifications?

USER: No, I do not have any more specifications.

ASSISTANT: Please help me with you name to book.

USER: Sure, myself Pamela Mitchell.

ASSISTANT: Pamela Mitchell, sorry there are no flights available as per your desire.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for connecting us.

USER: Most welcome.