You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Myself Joseph Roberts. I am looking for a flight from LAS to IAD, can you help me in booking?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Sure, my planned travel dates are Dec 18 and Dec 20.

ASSISTANT: Do you have any requirement?

USER: I would like to return my journey for the afternoon flight.

ASSISTANT: May I know your connection limit?

USER: Please look for a connecting flight.

ASSISTANT: Here is a flight with 1 stop and price is 500 in Frontier airlines, can I proceed with it?

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

ASSISTANT: Your ticket has been booked with 1020 flight. arrival time is 16:00 PM Dec, 20.

USER: Thank you for the service.

ASSISTANT: Thank you for reaching us.