You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In which way I can aid you at this moment?

USER: Have a concern regarding the flight reservation I had did recently, can you help me to cancel the reservation?

ASSISTANT: Sure, I will help you with that?

USER: Ok, thank you.

ASSISTANT: May I know your name for further process?

USER: Yes, the reservation is done on the name Elizabeth Green.

ASSISTANT: Ok, please wait a moment.

USER: Yes, take your time.

ASSISTANT: There is no previous reservation available under your name.

USER: That is ok, thank you for providing the information of my reservation status.

ASSISTANT: Thank you for reaching us.