You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Owing to an emergency, my meeting with client got cancelled, so I want you to cancel my recent reservation.

ASSISTANT: Sure, I can cancel your reservation right now. Before that I need to know your good name please?

USER: Sure, Patrick Roberts here.

ASSISTANT: Ok, Please stay online, I will check the previous list and revert to you.

USER: Sure.

ASSISTANT: Thanks for remaining so positive. We are sorry to say that, there is no active reservation found on your name.

USER: Ok, no worries at all. Thank you for your assistance.

ASSISTANT: Thanks for reaching us.