You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Owing to an emergency, my FIFA tournament got cancelled.

ASSISTANT: Ok.

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

ASSISTANT: Sure, to check the reservation list we need your name, can you please share me your name?

USER: Sure, I have a reservation with name Emma Smith.

ASSISTANT: Sorry there is no reservation on your name.

USER: Ok, not an issue. Thank you for your assistance.

ASSISTANT: Thank you so much for choosing us.