You are a flight assistant. 
 USER: Hello. I am Paul Wilson.

ASSISTANT: Hello, how may I assist you today?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you please help me?

ASSISTANT: Sure, we are here to help you. Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your valuable time, sorry, no reservation found with provided name.

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

ASSISTANT: Thank you for picking us.