You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, let me know your name please?

USER: Sure, Jacob Roberts here.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Jacob Roberts. I regret to inform that there is no reservation by your name.

USER: Ok, no worries at all.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your assistance.