You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How best can I aid you today?

USER: Owing to an emergency, I just want to cancel my recent reservation. Can you please be my helping hand with cancellation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

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

USER: Sure, Margaret Campbell is my name.

ASSISTANT: Ok, please be on hold for a while.

USER: Sure.

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

USER: Ok, thanks for your information.

ASSISTANT: Thanks for the help.