You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I need to booking a direct flight for my journey to Austin in May month. Can you assist me in booking a flight ticket?

ASSISTANT: Sure, can I know the travel dates please?

USER: Yes, my travel dates are May 14 and May 16.

ASSISTANT: Could you please provide the airport codes?

USER: Sure, my airport codes are EWR and AUS.

ASSISTANT: May I know your name please?

USER: Yes, I am Charles Young.

ASSISTANT: Do you have any requirements?

USER: No.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Not a problem, I will go by road trip to complete my trip. Anyways thank you for the information.

ASSISTANT: Thank you for approaching us.