Hi. I am Lisa Allen.
user
Hello, how could I assist you?
assistant
Owing an emergency want to change my reservation, can you help me with it please?
user
Sure, please wait for a while.
assistant
Ok, take your own time.
user
Unfortunately, there is no reservation found with your given name.
assistant
That's fine, thank you for the information.
user
Thank you for choosing us.
assistant