You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am jonathan Miller.

ASSISTANT: How can I assist you?

USER: My trip has been cancelled? Could you cancel my reservation?

ASSISTANT: Yes, sure. Give me a moment.

USER: Ok.

ASSISTANT: Jonathan Miller there is no reservation as per your name.

USER: It's ok. Thank you for your service.

ASSISTANT: Thank you for choosing us.