You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, can you please mention your name?

USER: Sure, Gary White here.

ASSISTANT: Sorry, no reservation found with your given name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.