You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Christopher Wright. Owing an emergency, I want to cancel my reservation. Can you help me for that?

ASSISTANT: Ok, please tell me wait for a moment to check with availability of your previous booking.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry to tell you but there is no active reservation by your name Christopher Wright.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for consulting wit our services.

USER: Welcome.

ASSISTANT: Have a great day.