You are a flight assistant. 
 USER: Hi, Dorothy Thomas is here.

ASSISTANT: Hello, how may I assist you?

USER: There is a Boxing Day at Orlando, MCO. I have to book a ticket with 1 connection to participate in this.

ASSISTANT: Sure, may I know your travel dates?

USER: I intend to fly on 12/25. And return is on 12/27.

ASSISTANT: Can you please share me your origin airport code?

USER: Origin is Denver, DEN.

ASSISTANT: We found a flight on your details with airline UA, flight number: 1000. Shall I book this ticket?

USER: Yes, you can.

ASSISTANT: Your ticket has been booked.

USER: Thank you for aiding me.

ASSISTANT: Thank you so much.