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

ASSISTANT: Hello, how can I help you?

USER: Owing to an emergency I would like to cancel my recent reservation. Can you please help me in doing this?

ASSISTANT: Sure, wait a moment. I will check with your recent reservation.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no reservation found on your name to cancel your reservation.

USER: Ok, no issues.

ASSISTANT: Thank you for approaching us.

USER: Thanks for your help.