You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to meet my friend at Detroit on 01/17 and will return on 01/19.

ASSISTANT: Sure, can you please help me with the airport codes?

USER: I want to fly from PA-PHL to MI-DTW.

ASSISTANT: May I know your name to proceed further?

USER: I am Gregory Young.

ASSISTANT: Thank you for the details. I found a flight available with 200 and the connection is 1 with Hawaiian airline. Would you like me to proceed with the booking?

USER: Yes, please.

ASSISTANT: Your booking is confirmed with 1012 flight number.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.