You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Stephanie Jones here, I want to book a ticket from LGA to DFW, can you please help me in this intent?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, my willing dates of journey is from 07/29 to 07/31.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Sure, but I want a direct flight.

ASSISTANT: Sorry, there is no direct flight available at your requested dates on this route.

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Thank you for your service.