You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Linda Jackson, want to cancel my recent reservation due to an emergency. Please help me out with that.

ASSISTANT: Sure, please give me a minute.

USER: Sure.

ASSISTANT: Sorry Linda, there is no reservation available on your name.

USER: It's ok, thank you for your help.

ASSISTANT: You are welcome.