You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am George Moore, I want to cancel my ticket as my plan to visit my grand father house is cancelled. Can you help me with that?

ASSISTANT: Sure, please wait for a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Sorry, there was no reservation found with your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for opting us.