Hello.
user
Hello. How may I help you?
assistant
I am Samuel Campbell, want to change my previous reservation due to some emergency. Please help me out with that.
user
Sure, I will help you. Please wait a moment.
assistant
Ok, take your time.
user
Samuel, no reservation has been found on your name in our database.
assistant
It's ok, thank you for you help.
user
Thank you for choosing us. Have a nice day.
assistant