You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to fly from BOS -DFW, can you check the flight availability on that root?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My travelling dates are 12/07 and 12/09.

ASSISTANT: Do you have any airline preferences?

USER: I am comfortable with normal - cost.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I want a flight with maximum connection of 0.

ASSISTANT: May I know your good name please?

USER: Sure, Patricia Jackson here.

ASSISTANT: Sorry, there is no flight available in this route.

USER: No issues, thank you for the information.

ASSISTANT: You are welcome.