You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Is there any help that I can assist you?

USER: I want to cancel my reservation due to heavy rains at my destination place, so please help me in cancellation.

ASSISTANT: Sure, I am glad to help you and can you please mention your name for checking purpose?

USER: Sure, my name is Patrick Baker.

ASSISTANT: Please give me a moment.

USER: Ok, I will wait.

ASSISTANT: I have checked and there is no reservation found for the user name in our data base to cancel the ticket.

USER: Not a problem, thank you.

ASSISTANT: You are most welcome.