You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you find me a flight which depart in morning from Denver?

ASSISTANT: Sure, may I know your itinerary dates?

USER: I will travel on Dec 05 and return on Dec 07.

ASSISTANT: Please provide your genesis and terminus airport codes.

USER: My source point is DEN and my destination is SEA.

ASSISTANT: Which class do you prefer?

USER: I am fine with any class.

ASSISTANT: Do you prefer a direct flight?

USER: No, I want a connecting flight.

ASSISTANT: May I know your name?

USER: My name is Donald Miller.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Hawaiian airlines with flight 1012 is providing a connecting flight and ticket costs you 200 in economy class.

USER: Please proceed with booking.

ASSISTANT: Your ticket is confirmed Donald Miller.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.