You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Actually my Final examination is postponed, so that I want to cancel my recent reservation. Can you help me?

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

USER: Sure, I am Deborah Hall.

ASSISTANT: Please allow me a moment.

USER: Sure.

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

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a great day.