You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am Samantha Clark. Would it be possible to cancel my reservation?

ASSISTANT: Sure, please wait.

USER: Ok, take your own time.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

USER: It's ok, thanks for your information.

ASSISTANT: Your welcome.