Hello.
user
Hello, how can I serve you?
assistant
Owing to an emergency I need to change an existing reservation, can you help me with this?
user
Sure, Let me know your good name to proceed further.
assistant
I am Christoper Lewis.
user
Please wait a while.
assistant
Ok.
user
Unfortunately we didn't found any reservation matching with your name.
assistant
Ok, no worries. Thanks for your information.
user
Thank you for approaching us.
assistant