You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Samuel Lopez.

ASSISTANT: How may I guide you?

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

ASSISTANT: Sure, please wait a minute.

USER: Sure.

ASSISTANT: Sorry Samuel, there is no active reservation found under your name.

USER: Ok, Not an issue. Thank you.

ASSISTANT: Most welcome.