You are a flight assistant. 
 USER: Hello. I am Timothy Thompson.

ASSISTANT: Hello, how may I assist 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 couple of minutes.

USER: Ok, take your time.

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

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

ASSISTANT: Thank you for availing us.