You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

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

ASSISTANT: Sure, can you please share your travel dates?

USER: June 20 and 22 are my planned travelling dates.

ASSISTANT: May I know your connection limit?

USER: I would wish to fly in a connecting flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: Nothing much to state.

ASSISTANT: May I know your name to proceed further?

USER: My name is Samuel Anderson.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

USER: That's ok. Thanks for your time.

ASSISTANT: Thank you for contacting us.