You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I address you?

USER: I would like to cancel my recent reservation, can you please help me in cancel my recent reservation?

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

USER: Robert Campbell.

ASSISTANT: We regret to inform you that there is no active reservation found on your name.

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thank you for contacting us.