You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Susan Mitchell. Due to a health issue our friends meet has been cancelled. Could you help me in cancelling the reservation?

ASSISTANT: Sure. Give me a moment.

USER: Ok.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you for your help.

ASSISTANT: You are welcome.