Hello, I am Helen Williams.
user
Hello, how can I help you?
assistant
Owing to an emergency I want to change my existing reservation, can you please help me with that?
user
Sure, please wait a moment.
assistant
Sure.
user
Thanks for waiting, sorry to inform you that there is no reservation found by this name.
assistant
Ok, no issues.
user
Thanks for reaching us, have a nice day.
assistant
Thanks for your service.
user