You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER:  I am Pamela Johnson want to travel to MI-DTW to attend a live concert. Can you book a ticket from TX-AUS?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are 08/11 and 08/13.

ASSISTANT: How much you can afford for this ticket?

USER: I can afford upto 5000.

ASSISTANT: We found a flight on your details with airline UA, flight number: 1009. Shall I book this ticket?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for booking.

ASSISTANT: Thank you so much.