You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Brian Phillips here. I have to attend my interview at Detroit, so please book my ticket from Chicago.

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: My itinerary dates are 01/25 and 01/27.

ASSISTANT: May I know your airport codes of your preferred location?

USER: My genesis and terminus airport codes are ORD and DTW.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: I have found a direct flight 1015 of JetBlue airlines, shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you.

ASSISTANT: Welcome.