You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Daniel King. I want to book a flight ticket with a single connection. Could you help me in flight booking?

ASSISTANT: Sure, please provide your price limit.

USER: Sure, my price limit is 5000.

ASSISTANT: Ok, Can you share your airport codes?

USER: I am planning to attend my cousin birthday party in CO - DEN and my origin from CA - SFO.

ASSISTANT: Ok, please mention your trip dates.

USER: My departure is 12/15 and my return date on 12/17.

ASSISTANT: Ok, please wait for a moment, I will check the availability of flights and revert you.

USER: Sure.

ASSISTANT: Thank you for waiting, we have a connected flight with price 200. The flight number is 1000.

USER: You can proceed to booking.

ASSISTANT: Sure, your ticket has been booked with Hawaiian airline.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.