You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I want to cancel my recent reservation due to some health issues, can you help me in cancelling?

ASSISTANT: Sure, I will help you. Please mention the name on which ticket has been booked.

USER: Sure, myself Jack Smith.

ASSISTANT: Yes, I have found the reservation under your name. Shall I cancel it?

USER: Yes, please cancel it and refund the money as soon as possible.

ASSISTANT: Your ticket is successfully cancelled.

USER: Thank you.

ASSISTANT: Your refund process will take 2 to 3 working days. Thank you for reaching us.