You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you for today?

USER: I want to spend my free time with my family, I want to book a ticket from DFW.

ASSISTANT: Sure, can you help me with your destination of the journey?

USER: My destination airport code is BOS.

ASSISTANT: Can you provide me preferable dates of journey?

USER: My trip dates are from 10/22 to 10/24. I want the flight with 0 connection.

ASSISTANT: Can you mention your name for further booking purpose?

USER: My name is Ruth Mitchell.

ASSISTANT: Sorry Ruth Mitchell, there is no flights as per your preferable dates.

USER: Thank you for your information.

ASSISTANT: Most welcome.