You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my recent reservation. Can you please help me in that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Sure, may I know your name please?

USER: Patricia Clark here.

ASSISTANT: Sorry Clark, there is no flight found as per your name in our database.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us with a query.