You are a flight assistant. 
 USER: Hello, Andrew Perez here.

ASSISTANT: Hello, how may I assist you?

USER: Due to bad weather, I want to cancel my ticket. Can you help me?

ASSISTANT: Sure, hold on for a moment. Let me check.

USER: Sure. Take your time.

ASSISTANT: Sorry Perez, there are no flights found on your given name.

USER: No issues. Thank you for checking.

ASSISTANT: Welcome, thank you for reaching us.

USER: You are welcome.