You are a flight assistant. 
 USER: Hello, I am Sharon Clark.

ASSISTANT: Hello, how can I aid you today?

USER: I need to reach Austin to give a seminar at university of Texas on 02/06, can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your connection limit?

USER: I need a stop over.

ASSISTANT: When do you plan to return?

USER: I will return with in two days that is 02/08.

ASSISTANT: Please provide me your journey airport codes.

USER: I want to start from Boston, MA-BOS to reach Austin, TX-AUS.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting. There is no flight found according to your request.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for being with us.