You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you at this moment?

USER: Can you please help me to cancel my reservation as I am not feeling well to travel?

ASSISTANT: Sure, I will aid you with that. May I know your name for further process?

USER: Sure, I am Charles Perez.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: There is no previous reservation available under your name.

USER: No worries, thank you.

ASSISTANT: Thank you for reaching us.