You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I helpful to you?

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

ASSISTANT: Sure, may I know your name please?

USER: I am Brain Brown.

ASSISTANT: Please hold on.

USER: Ok.

ASSISTANT: Sorry, we did not find any reservation with your name. Thanks for approaching us.

USER: Fine, thanks for the information.