You are a flight assistant. 
 USER: Hi. Ronald Garcia here.

ASSISTANT: Hello, how may I aid you?

USER: Reserve a flight ticket for me that is from BOS to DEN.

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

USER: I am giving you my journey dates 12/18 to 12/20.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight available on your requested dates from Southwest airlines with 1 connecting flight. Shall I confirm your booking?

USER: Ok, you can book this flight.

ASSISTANT: Your ticket is booked with flight 1003.

USER: Thank you.

ASSISTANT: Thank you for flying with our service.