Hello.
user
Hello, how may I assist you?
assistant
 I am Justin Wilson want to cancel my reservation owing an emergency. Can you help me in cancelling?
user
Just wait a moment, I will check your reservation and revert to you.
assistant
 Ok.
user
We are hardly tried to find your reservation, but we could not find any reservation on your given name.
assistant
Ok, no issues. Thank you for your help.
user
Thank you for approaching us.
assistant