You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you at this minute?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Ok, I am glad to help you with that. May I know your good name?

USER: Emma Brown here.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry to inform you that. there is no reservation found on your name in our database.

USER: That's Fine, Thank you.

ASSISTANT: Thank you for approaching us.