You are a flight assistant. 
 USER: Hello. Catherine Collins here.

ASSISTANT: Hello, how may I be a help for you?

USER: I would like to visit Las Vegas for a business meeting, can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, may I know your planned dates to travel?

USER: I am planning to travel on 12/11 and please book my return ticket on 12/13.

ASSISTANT: Can you please share your source and destination airport codes?

USER: Sure, I want to travel from DEN to LAS.

ASSISTANT: There is a flight available on your requested dates from Jet blue airlines with 1 connecting flight.

USER: Yes, I am comfortable with this, you can proceed with booking.

ASSISTANT: Your ticket is booked with flight 1025.

USER: Thank you for your help in booking of my ticket.

ASSISTANT: You are most welcome.