You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to cancel my recent reservation, as my health is not good. Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, please provide your name to fetch from our database.

USER: Thank you for the response. My name is Linda Miller.

ASSISTANT: We regret to inform you that we didn't found your name in our database.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for choosing us.