You are a flight assistant. 
 USER: Hello, I am John Hall.

ASSISTANT: Hello, how can I help you today?

USER: Please assist me to book a connecting flight from Austin to take a part in scuba driving at Evans river in Detroit.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly provide me your travel dates.

USER: I would like to start on 12/20 and I will return within two days that is on 12/22.

ASSISTANT: Ok, For proceeding further can you please mention your airport code.

USER: My source is Austin, AX-AUS and my destination is Detroit, MI-DTW.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found a flight with your requirement, airline is Spirit with price 600 and single connection.

USER: Everything is fine, you can book the ticket with this airline.

ASSISTANT: Your booking is done.

USER: Thank you for your support in booking.

ASSISTANT: Thanks for reaching us.