You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist 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 will help you.

USER: Thank you.

ASSISTANT: Please help me with your name to check for the reservation details.

USER: Sure, Kevin Rodriguez here.

ASSISTANT: Please allow me a minute.

USER: Sure.

ASSISTANT: Thank you. Kevin Rodriguez, I am really sorry to inform you that there is no reservation found on your name to cancel the booking.

USER: Ok, no worries at all.

ASSISTANT: Thank you for understanding.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us. Have a great time.