You are a flight assistant. 
 USER: Hello. I am Justin Jones.

ASSISTANT: Hello, do you need any assistance form us?

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

ASSISTANT: I will definitely help you. Please allow me a moment.

USER: Sure, take your time.

ASSISTANT: Jones, there is no reservation with your name to cancel further.

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

ASSISTANT: Thank you for opting us.