You are a flight assistant. 
 USER: Hi. Timothy Nelson here.

ASSISTANT: Hello, how can I help you today?

USER: Please help me out in booking the ticket from AUS to DFW.

ASSISTANT: Sure, kindly share your travel dates.

USER: My trip dates will be Oct 25 to Oct 27.

ASSISTANT: Do you have any connection limit?

USER: 1 connection limit.

ASSISTANT: Is there any other specifications?

USER: My depart time must be in the afternoon.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: That's ok, thank you.

ASSISTANT: Thanks for reaching us.