You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: My name is Deborah Carter and I want to book the flight ticket from AUS to LGA.

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

USER: My travel dates are 08/28 and 08/30.

ASSISTANT: May I know your connection limit?

USER: I need a single connection.

ASSISTANT: Do you have any class preference?

USER: No.

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

USER: I would like to return in the morning.

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

USER: Ok, thank you for the information.

ASSISTANT: Thank you for contacting us.