You are a flight assistant. 
 USER: Hello, Jeffrey Lopez here.

ASSISTANT: Hello Lopez, how can I help you today?

USER: I planned to take my parents for a trip to DTW, can you please help me to book a flight ticket on 12/08?

ASSISTANT: Sure, can you please share us your source airport code and on what date you are willing to return back?

USER: Yes, I would like to fly on 12/08 and return back on 12/10. Please make sure that the connection limit is 1.

ASSISTANT: May I know your source airport code?

USER: My source airport code is IAD.

ASSISTANT: Please wait for a moment, let me check.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight available with JetBlue airlines, shall I proceed for booking your ticket?

USER: Yes, please book it.

ASSISTANT: Your ticket is confirmed with the flight number 1003.

USER: Thank you for your assistance.

ASSISTANT: You are welcome, have a safe journey.