You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you at this moment?

USER: I am Joseph Wilson from Houston.

ASSISTANT: Ok.

USER: I am planning to meet my school friend in Austin, could you help me in booking a connecting flight?

ASSISTANT: Sure, I am here to help you. When you are willing to travel?

USER: My departure day is 09/19, return day is 09/21.

ASSISTANT: Ok, may I know your airport codes?

USER: My source and destination airport codes are TX - HOU, TX - AUS.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a UA 1003 airline with fare of 100 and a break in between the journey. Shall I proceed with booking?

USER: You can proceed to booking.

ASSISTANT: Your booking has been confirmed on name of Joseph Wilson.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us, have a nice day.