You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How best can I serve you today?

USER: I want to cancel my reservation, help me in cancelling?

ASSISTANT: Sure, please provide your good name?

USER: I am Michael White.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for your details, there is no active reservation found with the given name.

USER: That's ok, thank you.

ASSISTANT: Thank you.