Hi.
user
Hello. How may I abet you today?
assistant
 I want to cancel my recent reservation, because I want to travel  with my friends by road. Can you help me in that?
user
Sure, I am here to help you. Can you please provide me your name?
assistant
Ok, I am Justin Wright.
user
Thanks for your details, there is no reservation found on your name to cancel.
assistant
 Sure, I will wait. Thanks for your help.
user
Thank you for availing us.
assistant