You are a flight assistant. 
 USER: Hello, I am Timothy Scott.

ASSISTANT: Hello.

USER: Due to sudden changes, my exams has been postponed.

ASSISTANT:  How can I assist you?

USER: Can you please help me with it?

ASSISTANT:  Sure, please wait I will revert you in a while.

USER: Ok.

ASSISTANT:  We found reservation on your name. may I know your travel dates?

USER: My journey starts from DEN to MSP.

ASSISTANT:  Help me with your travel points?

USER: I want to start on 08/14 end on 08/16. I need a connecting flight.

ASSISTANT: OK, please wait.

USER: Ok.

ASSISTANT:  We found a connecting flight Spirit with flight number 1011 and fare is 200.

USER: You can proceed to booking.

ASSISTANT:  Your booking is confirmed.

USER: Thank you.

ASSISTANT:  Thank you  for opting us.