You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: I want to attend a Seminar in Austin. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am oblige to help you with that. Can you please provide your preferable travelling dates?

USER: My travelling dates are Nov 08 and Nov 10.

ASSISTANT: May I know your regional airport codes for booking?

USER: My airport codes are MSP and AUS.

ASSISTANT: Are you ok with connecting flight?

USER: Yes.

ASSISTANT: Is there any other specifications do you have?

USER: I prefer business class.

ASSISTANT: Please provide your name to book the flight ticket.

USER: My name is Timothy Williams.

ASSISTANT: Unfortunately there are no flights running on your route with your required preferences.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for approaching us, hope you have a great day.