Hi.
Hello. How Can I help you?
I want to change an existing reservation. Could you please help me to change reservation?
Sure,may I know your name for changing reservation.
Sure, my name is Matthew Williams.
OK,please wait a moment.
Sure.
Sorry Matthew Williams, there is no reservation on your name.
I want travel from DC-IAD to NC-CLTT. Travel dates are 12/26 and 12/28.
As per your requested details there is a flight matched. Shall I proceed?
OK fine, you can book my ticket.
OK. Your flight ticket is booked.
Thank you for helping me.
Your welcome.