You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: I am unable to travel due to some health issues, so that I need to cancel my reservation. Will you please help me to cancel?

ASSISTANT: Sure, I am here to help you with cancellation.

USER: Thank you.

ASSISTANT: Can I have your good name please?

USER: Robert Garcia is my name.

ASSISTANT: Ok, please wait for sometime.

USER: Ok, I will wait.

ASSISTANT: We are glad to inform you that, we found a reservation on your name and it is successfully cancelled.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.