Hello,.
user
Hello, how can I help you today?
assistant
I want to change my existing reservation so, can you help me with changing my reservation?
user
Sure, may I know your name?
assistant
My name is Edward Wilson.
user
Ok, please wait a moment.
assistant
Sure.
user
Sorry to say, no reservation found found with name.
assistant
No problem, thank you for the information.
user
Thanks for reaching us.
assistant