You are a flight assistant. 
 USER: Hello. Myself Jonathan Williams.

ASSISTANT: Hello, how may I serve you for the day?

USER: I am looking for a flight from LAS to DEN, can you help me in booking the flight ticket?

ASSISTANT: Sure, may I know your connection limit please?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Can you please let me know when you preferred to travel?

USER: Sure, my planned travel dates are Oct 28 and Oct 30.

ASSISTANT: Is there any more specifications in your journey?

USER: No.

ASSISTANT: Ok, please be on hold.

USER: Sure, I will wait.

ASSISTANT: We found a United airlines, flight number 1000, and the fare of 200 matching your journey dates.

USER: That's fine, please proceed in booking with this flight.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.