You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Larry Mitchell. As my interview is postponed, I want to cancel my reservation. Can you help me?

ASSISTANT: Sure, I will help you in cancelling the flight ticket. If I found any reservation on your name.

USER: Ok.

ASSISTANT: Let me check whether your reservation is found on your name or not.

USER: Ok.

ASSISTANT: I found your reservation on your name and I cancelled it.

USER: Thank you for helping.

ASSISTANT: Thank you for reaching us.