You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: I want to cancel my ticket as I am sick, could you help me out?

ASSISTANT: Sure, I am here to help you.

USER: My name is Matthew Allen.

ASSISTANT: Thanks for your name, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting. We found reservation with your name. Shall I proceed to cancel?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been cancelled with your name.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us, have a good day.