You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Patrick Nelson. I would like to travel from AUS to IAH, could you help me out?

ASSISTANT: May I know your desired travel dates please?

USER: My preferable dates are from 05/04 to 05/06.

ASSISTANT: There is a flight with connection limit 2 and fare 100, shall I proceed for booking?

USER: Sure, please proceed with the booking.

ASSISTANT: Your ticket is booked, flight number 1003.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.