You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Brandon Collins here, due to an emergency I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Sure, please wait I will check the reservation on your name and get back to you.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name in the database.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for approaching us, have a pleasant day.