You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, may I know your name to check for the previous reservation?

USER: Sure, my name is Raymond Davis.

ASSISTANT: Please allow me a moment to check for the previous reservation.

USER: Ok.

ASSISTANT: Raymond, there is no reservation found under your name.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for contacting us.