You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my reservation, why because my friends already done my reservation with some other airlines. So could you please help me out?

ASSISTANT: Sure, kindly mention your name.

USER: My name is Gregory King.

ASSISTANT: Sorry to say, no reservation found with your name.

USER: No issues, thank you for your assistance.

ASSISTANT: Thanks for reaching us.