You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Can you please help me in booking a flight ticket from DFW to AUS?

ASSISTANT: Sure, could you please share me with your dates of journey?

USER: I would like to fly on July 20 and return on July 22.

ASSISTANT: May I know your good name please?

USER: Myself Joshua Wright.

ASSISTANT: Are you looking for any other help from my side please?

USER: I need a direct airline.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry Joshua, there is no flight found as per your travelling details.

USER: Not an issue. Thank you.

ASSISTANT: You are welcome.