You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, may I know your planned travel dates?

USER: I am planning to go on Aug 10 and Aug 12 respectively.

ASSISTANT: Do you want connecting flight or direct flight?

USER: Nothing from my side.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Karen Moore here.

ASSISTANT: We found a direct flight, airline: Hawaiian, flight number: 1001, price: 100. Shall I proceed to booking?

USER: I am ok with your specifications.

ASSISTANT: Ok, your flight ticket has been reserved.

USER: Thank you for information provided.

ASSISTANT: Thank you.