You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I need some help to book a ticket, please can you help me?

ASSISTANT: Yes, I am here to help you. Could you help me with your travelling details and dates?

USER: I want to travel from PA-PHL to MI-DTW. And my travel dates 02/16 departure to return 02/18.

ASSISTANT: Thank you for providing information, may I know your name to proceed?

USER: My name is Patrick King.

ASSISTANT: Thank you King, do you have any limits on price and connections?

USER: Yes, I have 1 connection and price limit is 500.

ASSISTANT: Yes, I got a flight that which satisfy all your requirements. Can I proceed?

USER: Sure, you can proceed.

ASSISTANT: Thank you for your confirmation, your ticket is booked.

USER: Thank you very much for helping me.