You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Thomas Phillips.

ASSISTANT: How may I aid you?

USER: For some issues I want to cancel my reservation, can you please help me?

ASSISTANT: Sure, I will help you out.

USER: Ok.

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

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for opting us, have a great day.