You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Emily Johnson here. I will be making a reservation for travelling to Detroit from Austin for selling my collection, can you help me?

ASSISTANT: Sure, can you help me with your planned dates?

USER: My journey dates will be from 04/29 to 05/01.

ASSISTANT: May I know your travelling airport codes?

USER: The nearest airport to me is AUS and my destination is DTW.

ASSISTANT: Thank you for your details, please hold on.

USER: Sure, check with the status of availability and tell me.

ASSISTANT: I got a flight-1013 of AA airlines is available for you, shall I proceed?

USER: May I know the connection limit?

ASSISTANT: It is with 1 connection.

USER: My preferred connection limit is 0, so please try to check the availability for 0 connection.

ASSISTANT: Sorry, there is no flight with 0 connection.

USER: That's fine, thank you for assisting with booking.

ASSISTANT: Welcome.