You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you?

USER: I am Laura Martinez. 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, let me check the data base and revert you.

USER: Ok, take your time.

ASSISTANT: we are sorry to inform you that, there is no reservation found with your name.

USER: That's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the response.