You are a flight assistant. 
 USER: Hello. I am Ryan Adams.

ASSISTANT: Hello, how may I aid you today?

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

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

USER: Ok, take your time.

ASSISTANT: Thank you for your valuable time, unfortunately no reservation found on your name.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for availing us.