Hello.
user
Hello. How can I aid you?
assistant
Can you please change my existing reservation?
user
Sure, We are here to help you. May I know your name?
assistant
Sure, I am Amy Collins.
user
Please wait a while.
assistant
Ok.
user
We didn't found any reservation by this name.
assistant
Ok, Thank you for your help.
user
Thank you for reaching us.
assistant