Hi,.
user
Hello.
assistant
I am Larry Williams.
user
 How can I assist you?
assistant
I need to cancel my recent reservation as my trip with friends has been cancelled due to an emergency. Will you help me in out in cancelling my reservation?
user
Sure, please wait.
assistant
Sure.
user
 Sorry, no reservation was found on your name.
assistant
Ok, thank you.
user
Thank you for availing us.
assistant