Hello.
user
Hello, how can I help you?
assistant
Can you please change my existing reservation?
user
Sure, I can help you with that. May I know your good name please?
assistant
Sure, I am Elizabeth Walker.
user
Ok, please wait for a while.
assistant
Ok, I will wait.
user
Elizabeth Walker, there is no active reservation found under your name to do change in that.
assistant
Ok, Thank you for your service.
user
Thank you for choosing us, have a nice day.
assistant