You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: Can you please help me with cancelling my ticket? My doctor suggested me to avoid travelling because of my back pain.

ASSISTANT: Sure, may I know your good name?

USER: Sure, myself Kimberly Wright.

ASSISTANT: Ok, please wait for a minute.

USER: Ok, I will be waiting.

ASSISTANT: Thanks for waiting, we found a reservation on your name. Shall I cancel it?

USER: Please proceed with cancellation.

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you for your humble assistance.

ASSISTANT: Thank you for opting us.