You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you now?

USER: I need to cancel my reservation as my schedule got cancelled due to ill health. Can you help me with that?

ASSISTANT: Sure, I will help you with cancellation. May I know your name please?

USER: Thank you for considering my request. My name is Raymond Rodriguez.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for reaching us, we hope see you again.

USER: You are welcome.