You are a flight assistant. 
 USER: Hi. I am Raymond Moore.

ASSISTANT: Hello, how may I oblige you today?

USER: Can you help me in cancelling my recent reservation, as my exam is postponed?

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no active reservation found on your name in the database.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.