You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Andrew Lewis.

ASSISTANT: How can I serve you?

USER: Please, book me a plane to Austin, AUS to visit flower expo.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know, from where will you prefer to take off?

USER: Minneapolis, MSP is my takeoff airport.

ASSISTANT: Can I have your journey dates?

USER: Sure, my trip dates are 08/28 - 08/30.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt in between my trip.

ASSISTANT: Thank you for sharing the details.

USER: Ok.

ASSISTANT: I am glad to inform you that, there is a connecting flight of Spirit airline available with fare 100 and 1002 number. Do you want me to confirm it?

USER: Proceed with my booking.

ASSISTANT: Your reservation has been done.

USER: Thank you.

ASSISTANT: Thank you for opting us.