Hello.
user
Hello.
assistant
I am George Carter.
user
 How can I help you?
assistant
Due to some problems my trip post pone, can you please change my existing reservation?
user
Sure, just a  second please.
assistant
Ok.
user
No reservation found on your name Mr.George Carter.
assistant
It's ok. Thank you for your information.
user
Thank you for reaching us.
assistant