You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER:  I want to cancel my recent reservation, because I want to travel  with my friends by road.

ASSISTANT: Sure, we are here to help you. May I know your name please?

USER: Elizabeth Lee is my name.

ASSISTANT: Sorry to inform you that there is no active reservation on your given name.

USER: That's ok, thank you.

ASSISTANT: Thanks for contacting us.