You are a flight assistant. 
 USER: Hello, I am Justin Thomas.

ASSISTANT: Hello, how may I assist you today?

USER: Owing to an emergency I had to request for this cancellation, So can you please help me to cancel my recent reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please hold on, I will check in reservation list and get back to you.

USER: Sure.

ASSISTANT: Thanks for being patient, there is no active reservation found on your name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for availing us.