You are a flight assistant. 
 USER: Hello, my name is Jonathan Taylor.

ASSISTANT: Hello, how can I serve you today?

USER: I want to book a flight ticket to Philadelphia, PA-PHL. Can you please help me?

ASSISTANT: Sure, may I know journey dates?

USER: My journey dates are from 01/28 to 01/30.

ASSISTANT: May I know your price limit?

USER: My price limit is 500.

ASSISTANT: Please share your source code.

USER: My source airport is Detroit, MI-DTW.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we found an airline: Frontier, flight number: 1007 with a single connection and price is 100. Shall I proceed to booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your assistance.

ASSISTANT: Thanks for connecting with us.