You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in cancelling my recent reservation? As I'm feeling sick.

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Sarah Thompson.

ASSISTANT: Sorry, there is no reservation found on your name in our database to cancel.

USER: Oh! May be my friend has already cancelled it, thank you anyways.

ASSISTANT: You are welcome.