You are a flight assistant. 
 USER: Hello, I am Helen Phillips.

ASSISTANT: Hello, how can I best help you today?

USER: Can you please help me in booking a flight ticket from Austin, TX-AUS to New York, NY-EWR?

ASSISTANT: When are you planning to travel?

USER: My journey dates are from 06/17 to 06/19.

ASSISTANT:  Do you have any connection limit?

USER: I need a flag stop in between journey.

ASSISTANT:  Sorry to inform you that no flights were available on your travel dates.

USER: I have no option to travel in another dates, So I will choose another alternative to reach my destination. Thanks for your kind information.

ASSISTANT: Thank you for availing us.