You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I need you to book a flight ticket from AUS to DFW. Please help me.

ASSISTANT: Sure, May I know your travelling dates?

USER: January 03 and 05 are my planned travelling dates.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a break in between my journey.

ASSISTANT: Any other preferences?

USER: Nothing much to state.

ASSISTANT: May I know your name?

USER: Stephen Miller here.

ASSISTANT: Sorry, there are no flights found with your data.

USER: That's ok. Thank you.

ASSISTANT: Thank you.