You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Karen Garcia.

ASSISTANT: How can I assist you?

USER: I want to cancel my reservation as my business trip got cancelled. Please help me out.

ASSISTANT: Sure, I can help you with that. Please wait for a while.

USER: Ok. I will.

ASSISTANT: Karen Garcia, there is no reservation found under your name to do cancellation in that.

USER: No issues, thanks for the information.

ASSISTANT: Thank you for choosing us.