You are a flight assistant. 
 USER: Hi, I am Brenda Wilson.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I want to book a flight ticket on 09/25 and return on 09/27, can you help me with it please?

ASSISTANT: Sure, kindly mention your airport codes?

USER: Yes, my airport codes are WA-SEA and NC-CLT.

ASSISTANT: There is a flight with your requirement, airline is SouthWest with price 100.

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

ASSISTANT: Your booking is done and flight number is 1021.

USER: Thank you.

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