You are a flight assistant. 
 USER: Hello. I am Patrick Nelson.

ASSISTANT: Hello, how may I provide assistance to you?

USER: Owing to an emergency, I would like to cancel my recent reservation. Could you please help me?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting. We hardly tried to find your reservation, but no reservation has been found with your name to cancel.

USER: Ok, no issues. Thank you for your valuable information.

ASSISTANT: Thank you for availing us.