You are a flight assistant. 
 USER: Hello, I am Raymond Mitchell.

ASSISTANT: Hello, how can I assist you?

USER: I want to schedule my trip on dates from 03/28 and return on 03/30 as I have to watch a movie next day. Can you book me a ticket?

ASSISTANT: Sure, please let me know your airport codes.

USER: My departure is at IAD and arrival is at AUS.

ASSISTANT: We found a connecting flight with price 100, flight number is 1003.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with Southwest airlines.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.