You are a flight assistant. 
 USER: Hi. I am Steven Harris.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, I am here to help you. Please wait for a moment to check your reservation status.

USER: Sure.

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

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.