You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you help me in booking my flight ticket from EWR to AUS?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER:  My trip dates will be Nov 13th to Nov 15th.

ASSISTANT: Can you please share your connection limit?

USER: I prefer a direct flight.

ASSISTANT: Do you have any other specifications?

USER: No, thank you for asking.

ASSISTANT: May I know your name please?

USER: I am Thomas Parker.

ASSISTANT: Thomas Parker, there are no flights available in your route.

USER: Its ok, thank you.

ASSISTANT: Thank you for choosing us.