You are a flight assistant. 
 USER: Hello, Larry Wright is here.

ASSISTANT: Hello, how may I aid you?

USER: I have done with my new science research. So, I have to exhibit my research at Detroit Academy Of Science, Detroit. Need your assistance to make a reservation on 03/28 with 1 connection.

ASSISTANT: Ok. I will assist you.

USER: Fine.

ASSISTANT: Please, let me know your return date?

USER: 03/30 is my return date.

ASSISTANT: Help me with your airport codes.

USER: I have to exhibit at Detroit, DTW by coming from Denver, DEN.

ASSISTANT: Please, wait a while.

USER: Sure, I will wait.

ASSISTANT: Thanks for your time, there is a connecting flight available with fare 200 in Frontier airline. Can I confirm it?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.