You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Janet Carter.

ASSISTANT: How can I help you?

USER: Due to some conference meeting, I am going to cancel my reservation. Can you please help me for this?

ASSISTANT: Please wait a while.

USER: Thank you very much for quick access.

ASSISTANT: Sorry to say, there is no reservation on your name in our database.

USER: Thank you very much for cancelling my reservation.

ASSISTANT: Thank you for opting us. Thank you for opting us.

USER: You are welcome.