You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jonathan Scott.

ASSISTANT: How can I aid you today?

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

ASSISTANT: I am here to help you with that cancelling.

USER: Ok.

ASSISTANT: There is no reservation found under your name in our database.

USER: That's ok, thank you.

ASSISTANT: Thank you for opting us.