You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Debra Smith.

ASSISTANT: How can I assist you?

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

ASSISTANT: Sure, I'll help you. Please be on hold.

USER: Thank you.

ASSISTANT: There is no reservation found under your name to do cancellation.

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

ASSISTANT: Thank you for choosing us.