You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Donald Taylor. I want to cancel my recent reservation, because I want to travel  with my friends by road. Can you help me with it please?

ASSISTANT: Sure, we are here to aid you.

USER:       Thank you.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time. There is no reservation found on your name  Donald Taylor in our reservation list.

USER: That's ok.

ASSISTANT: Thank you for availing us.

USER: Thank you for the response.