You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you at present?

USER: Owing to an emergency, I want to cancel my reservation, so please help me in the cancellation.

ASSISTANT: Sure, I am perky to help you.

USER: Thank you.

ASSISTANT: On whose name, I have to check the reservation list?

USER: Please check with the name of Stephanie Perez.

ASSISTANT: Ok, please standby.

USER: Ok.

ASSISTANT: We found a reservation on your name and it is cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for choosing us.