You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I am Brian Turner. Owing to an emergency, I want to cancel my reservation. Could you help me in cancellation?

ASSISTANT: Sure, I will help you to cancel your ticket. Please wait for a moemnt.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry there is no reservation found on your name in our system data.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us, we hope see you again.