You are a flight assistant. 
 USER: Hi. I am Ryan Evans.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, no reservation found on your name in the database.

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thank you for choosing us.