You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I help you?

USER: Please cancel my recent reservation owing to an emergency.

ASSISTANT: Sure. Please, let me know your name to check the reservation.

USER: I am Matthew Young.

ASSISTANT: Wait a minute.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name.

USER: Thank you.

ASSISTANT: Thank you for reaching us.