You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight ticket from AUS to IAH. Could you help me in booking?

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are from July 26 - 28.

ASSISTANT: Do you have any connection limit?

USER: I prefer for connecting flight.

ASSISTANT: Is there any thing else?

USER: No.

ASSISTANT: May I know your name please?

USER: Jonathan Wilson.

ASSISTANT: I am sorry no flights found on your route.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.