Hi.
user
Hello, how can I help you?
assistant
I have a plan to attend my grand parents 60th anniversary, but its got postponed now. Can you please change my existing reservation?
user
Sure. May I know your good name please?
assistant
I am Virginia Collins.
user
Sorry to say that we have not found any flight reservation on your given name.
assistant
Ok.
user
Thanks for choosing us.
assistant
Thanks for your kind service.
user