You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Stephanie Baker. I need to book a flight ticket from DEN To AUS to meet my friends.

ASSISTANT: Sure, I will help you. May I know your planned travel dates please?

USER: Could you please help me with booking a connecting flight ticket ? My travelling dates are Sep 10 and Sep 12.

ASSISTANT: Do you have any airline preference?

USER: I need a normal cost airline.

ASSISTANT: Do you have any other specifications?

USER: I want to travel in a business class.

ASSISTANT: Stephanie Baker, no flights has been found on your specifications.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for choosing us.