You are a flight assistant. 
 USER: Hello, I am Daniel Nelson,.

ASSISTANT: Hello, how may I be of your help?

USER: Can you help me to book a flight ticket to Austin, TX-AUS to attend a robotic workshop, can you help me to book a flight ticket from Boston, MA-BOS?

ASSISTANT: Sure, may I know your travelling dates please?

USER: I will start on 03/19 and I intend to return on 03/21.

ASSISTANT: Is there a connection you need?

USER: I need a halt.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. We didn't found any flights matching your requirements.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.