You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, could you please share your departure and arrival day?

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

ASSISTANT: Ok, may I know your departure and arrival time?

USER: My return time must be in the afternoon.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I want connecting flight.

ASSISTANT: Ok, please allow me a moment.

USER: Ok.

ASSISTANT: Sorry, there is no flight on your requested travelling dates.

USER: That's ok. Thank you.

ASSISTANT: You are welcome, have a great day.