You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Patrick Wright. I am planning to enjoy my holidays at Detroit, Can you please book a ticket from Philadelphia, PHL?

ASSISTANT: Sure, may I know your trip dates?

USER: My travelling dates are 01/29 to 01/31.

ASSISTANT: Can you please share me your depart airport code?

USER: Landing point is DTW.

ASSISTANT: How much you can afford for this ticket.

USER: Price limit is 5000.

ASSISTANT: We found a flight on your details with airline AA, flight number: 1006. Shall I proceed for booking?

USER: You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank for choosing us.