You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Sharon Davis. I want to reserve flight ticket from DEN to ATL, can you please help me?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: Please share me your trip dates.

USER: My trip dates are on June 19 June 21.

ASSISTANT: Do you need any preferences?

USER: Yes, I need a direct flight.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a UA airline and 1015 is flight number with a fare of 200. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket is confirmed with an economy class .

USER: Thank you.

ASSISTANT: Thank you for reaching us.