You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Amanda Clark and I want to cancel my recent reservation. Will you please help me?

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: Oh! it's Ok.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Thank you.