You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Owing to an emergency, I want to cancel my recent reservation.

ASSISTANT: Sure, we are here to help you in cancellation.

USER: Thank you.

ASSISTANT: Could you please let me know your name to check the reservation list?

USER: My name is Cynthia Taylor.

ASSISTANT: Ok, please wait a minute I will get back to you with the present status.

USER: Sure.

ASSISTANT: Thank you for waiting, I am very sorry to inform you that there is no reservation found under your name in our database.

USER: Not an issue, thank you.

ASSISTANT: Thank you for approaching us.