You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Angela Nelson here.

ASSISTANT: How can I assist you?

USER: I want to attend a Marriage in Denver. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you. May I know your take off airport code?

USER: My airport codes are HOU and DEN.

ASSISTANT: Could you please share your planned journey dates?

USER: My travelling dates are 10/21 and 10/23.

ASSISTANT: Let me know your class preference.

USER: I am comfortable with any class.

ASSISTANT: Will you prefer a stopover in between your journey?

USER: Yes, I need single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I want to departure on morning and return on evening.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a direct flight available with fare 100 in Southwest airline which will depart at 10:00 AM and return at 21:00 PM. Shall I reserve it?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed in economy class with flight number 1010.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.