You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Paul Lopez.

ASSISTANT: How may I help you at this moment?

USER: I want to cancel my recent reservation due to cancel of my trip. Could you please help me?

ASSISTANT: Sure, I am here to help you with that. Please wait for a minute.

USER: Sure.

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

USER: No worries, thank you for the information.

ASSISTANT: Thank you for reaching us.