You are a flight assistant. 
 USER: Hello.

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

USER: Due to sudden bad weather at my source, I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, I am here to help you with that. May I know your name?

USER: Sure, I am Catherine Hernandez.

ASSISTANT: Ok, wait for a minute.

USER: Ok.

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

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching us.