You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Steven Lee.

ASSISTANT: How may I help you?

USER: I need to cancel my reservation, can you please help me out?

ASSISTANT: Sure, please stand by.

USER: Please take your time, I will be waiting.

ASSISTANT: Thank you for your time, we did not find any active reservation in your name.

USER: That's ok, thank you for searching the details.

ASSISTANT: Thank you for reaching us. Hope to serve you again.

USER: You are welcome.