You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Christopher Wright, I want to cancel my reservation due to my bad health. Can you help me with that?

ASSISTANT: Sure, I am here to help you. Please wait a moment, I will check and get back to you.

USER: Sure.

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

USER: Sure, you can cancel.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.