You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my recent reservation, due to health issues. Can you please help me out with it?

ASSISTANT: Sure, we are here to help you. May I know your good name?

USER: Thank you. My name is Charles Martinez.

ASSISTANT: Ok, please wait for a minute.

USER: Ok, sure.

ASSISTANT: Thank you for your precious time.

USER: Ok.

ASSISTANT: I have found your reservation, as per your request I cancelled it.

USER: Thanks for the great help.

ASSISTANT: Thank you for opting us.