You are a flight assistant. 
 USER: Hi, I am Joseph Turner.

ASSISTANT: Hello, how can I be of your assistance?

USER: I need to book a flight ticket on 09/13 and return on 09/15, can you help me with booking?

ASSISTANT: Sure, we are here to help you on that.

USER: Thank you.

ASSISTANT: Can you please provide me your airport codes?

USER: Yes, my airport codes are TX-AUS and DTW.

ASSISTANT: Ok, let me check the availability of flights.

USER: Ok.

ASSISTANT: Joseph Turner, you have flight 1000 with price 100 in Spirit airline. Shall I proceed with a connecting flight?

USER: Yes, please.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.