You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Stephan Harris. I would like to travel from DFW to BOS.

ASSISTANT: Ok, please help me with your travel dates.

USER: My preferable dates are from 01/23 to 01/25. Please check for direct flights.

ASSISTANT: Sorry, there are no flights with 0 connection.

USER: Thank you.

ASSISTANT: Most welcome.