You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Samuel Martin.

ASSISTANT: Yes, Samuel.

USER: Can you please help me in cancelling recent reservation?

ASSISTANT: Sure, I can help you with that. Please wait for a while.

USER: Ok, sure.

ASSISTANT: Samuel, there is no reservation found under your name to do cancellation.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for reaching us.