You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: As I am sick, I want to cancel my reservation. Margaret Clark here.

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: There is no reservation found on this name, do you want to make a new booking from us?

USER: No thanks.

ASSISTANT: Ok fine.

USER: Thank you for assisting me.

ASSISTANT: It's my pleasure.