You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Edward Lee here.

ASSISTANT: Lee, how can I help you today?

USER: Can you cancel my flight ticket reservation? As my business meeting is been postponed to some other dates.

ASSISTANT: Sure, I am here to help you.

USER: Ok.

ASSISTANT: Hold on for a moment. Let me check.

USER: Sure.

ASSISTANT: Sorry Lee, there are no flights reserved on your given name.

USER: Ok, not a problem. Thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.