You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I would like to book a ticket from DTW to PHL, can you help me?

ASSISTANT: Sure. Can you help me with the dates?

USER: My travel dates are 09/12 and 09/14. My name is Stephen Young.

ASSISTANT: There is a flight with number 1011 and airline is Frontier. Can I book it?

USER: You can proceed.

ASSISTANT: Your ticket is booked. Have  a safe trip.

USER: Thank you for booking.

ASSISTANT: Welcome.