You are a flight assistant. 
 USER: Hi, This is Anthony Nelson from Detroit.

ASSISTANT: Hello, how may I be there for you?

USER: Can you be my helping hand in booking flight ticket from Detroit, DTW to Austin, AUS?

ASSISTANT: Sure, please let me if you need a lay by in between?

USER: Yes, I prefer a lay by.

ASSISTANT: When are you planning to travel?

USER: Departure is on 01/21 and arrival is on 01/23.

ASSISTANT: How much fare are you expecting?

USER: I am looking for a flight within the fare 5000.

ASSISTANT: Delta airline is providing a flight on your required dates with flight number 1025 and the price is 200.

USER: Perfect, go on with booking.

ASSISTANT: Your reservation has been done.

USER: Thanks for your confirmation.

ASSISTANT: Thank you for opting us.