You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Emily Nelson. Please look for a flight from DFW to AUS, make that could be a direct one.

ASSISTANT: Sure, can you please tell your travelling dates?

USER: Sure, my trip dates are 05/16 and 05/18.

ASSISTANT: AA airlines is available with your requested details and the ticket price is just 100 with 1 connection. Shall I proceed with reservation process with the available flight?

USER: I am looking for a direct flight as I before.

ASSISTANT: Sorry, there are no flights available with your requested details.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you and have a nice day.