You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you today?

USER: I want to cancel my reservation as my project got ramp down. Can you help me in cancelling my reservation found on name Robert Thomas?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Thanks for your time, we do not found any reservation on your name.

USER: That's Ok. Thanks for your assistance.

ASSISTANT: Thank you for opting us.