You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Can you help me to cancel my recent reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: For cancelling your reservation, we need to know your name to check your reservation status. So, please share me your name.

USER: Sarah Adams here.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We regret to inform you that, we have not found any active reservation on your name in our records.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for approaching us.