You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I just want to cancel my flight reservation as I am sick, please help me out.

ASSISTANT: Sure, please share me your good name.

USER: Virginia Campbell.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found your reservation and cancelled successfully.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.