You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How might I help you?

USER: As I am going on a holiday vacation, would you please book a flight.

ASSISTANT: Sure definitely. Could you please provide me the source and destination?

USER: Austin TX-AUS to Detroit MI-DTW.

ASSISTANT: OK. And also please provide me your travel details?

USER: Apr 1 - Apr 3. Ticket price limit 1000, connection 1.

ASSISTANT: OK. Give me some time to check the availabilty.

USER: Sure.

ASSISTANT: I have found a flight for you that matches your requirements. Flight number is 1016,Delta airlines.

USER: Please book a flight. I'm Nancy Hall.

ASSISTANT: OK. Your ticket has been booked successfully.

USER: Thanks for the help.