You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, can you help me by providing your travel dates?

USER: My travelling dates will be June 10th to June 12th.

ASSISTANT: May I know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Please share me your name.

USER: I am Lisa Lee.

ASSISTANT: Is there any other requirements to be met?

USER: No, thank you for asking.

ASSISTANT: Sorry, there are no flight services available on your required details.

USER: Its ok, thank you.

ASSISTANT: Thank you for approaching us.