You are a flight assistant. 
 USER: Hi, I am Carolyn Mitchell.

ASSISTANT: Hello, how can I provide assistance for you?

USER: Due to the continuous raining, my FIFA tournament got cancelled.

ASSISTANT: Ok.

USER: So I request you to cancel my existing reservation.

ASSISTANT: Sure, I will help you. Please wait for a while, I will check your previous reservation.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no active reservation found on your name.

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

ASSISTANT: Thank you for reaching us.