You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am George Thomas.

ASSISTANT: How can I serve you today?

USER: I have planned for the trip to San Francisco, can you please reserve a flight ticket from Denver?

ASSISTANT: Sure, let me know your trip dates please?

USER: The scheduled travel dates are OCT 01 and OCT 03.

ASSISTANT: Could you please share me your airport codes?

USER: The origin and destination airport codes are DEN and SFO.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a single connecting flight to travel.

ASSISTANT: Do you need any other specifications?

USER: No, I didn't have any other specifications.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: UA airlines with the ticket fare of 100 and a halt in between the journey. Shall I proceed?

USER: I am ok with this flight, please proceed with the ticket booking.

ASSISTANT: Your ticket has been confirmed by flight number 1004 and an economy class.

USER: Thank you for your help.

ASSISTANT: Thanks for opting us.

USER: You are most welcome.