Hello.
user
Hello, how may I assist you?
assistant
Can you help me in changing my existing reservation?
user
Sure, may I know your good name please?
assistant
I am Brandon Walker.
user
I have found a reservation on your name, can you please share your airport codes?
assistant
 I need to leave from my nearest airport SFO to reach LAS.
user
May I know your planned travel dates please?
assistant
I want to travel on 12/12, and need to catch return flight on 12/14.
user
Do you have any class preference?
assistant
I prefer for economy class.
user
Do you have any other specifications?
assistant
I need a connecting flight.
user
May I know your good name please?
assistant
I already mentioned above.
user
There is a flight available on your requested dates from Southwest airlines, shall I confirm your booking?
assistant
Proceed with the booking.
user
Your ticket is booked with flight 1017.
assistant
Thanks for the help.
user
You are welcome.
assistant