You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Sure. May I know your name?

USER: Richard Allen here.

ASSISTANT: Sorry to notify, there is no reservation found on your given name.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you.