You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: I am Lisa Jackson. I want to cancel my flight reservation as I am unwell, please help me out.

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I cancelled your reservation successfully.

USER: Thank you.

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