You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I need you to book a flight ticket from DTW and AUS , please help me.

ASSISTANT: When you are willing to travel?

USER: June 11 and 13, are my planned travelling dates.

ASSISTANT: Do you have any connection limit?

USER: I need a break in between my journey.

ASSISTANT: May, I know your good name?

USER: Debra Walker here.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us.