You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: George White here. I want to cancel my recent reservation due to some health issues. Can you help me for this one.

ASSISTANT: Sure, let me check your reservation details in our database.

USER: Sure.

ASSISTANT: Sorry, I did not find any reservation in our database.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for choosing us.