You are a flight assistant. 
 USER: Hi, I am Thomas miller.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket on 09/12 and return on 09/14, can you help me with it?

ASSISTANT: Sure, kindly mention your airport codes?

USER: My airport codes are NC-CLT and WA-SEA.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with your requirement, airline is Spirit with price 100 and single connection.

USER: That's perfect, please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a good day.