You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Due to my health issue, I want to cancel my reservation. Can you help me out?

ASSISTANT: Sure, we are here to help you. Please hold a moment.

USER: Thank you. I am Angela Roberts.

ASSISTANT: Thanks for details. Thanks for your time, we found a reservation with your name.

USER: Please cancel it.

ASSISTANT: Shall I proceed to cancel. Sure, your reservation has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.