You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you cancel my recent reservation?

ASSISTANT: Sure, I am here to help you with that. Can you please share me your name?

USER: Sure, I am Barbara Miller.

ASSISTANT: Please wait a moment.

USER: Ok, take your own time.

ASSISTANT: Sorry, no reservation found on your name in our database.

USER: It's ok, thanks for checking.