You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Ruth Taylor. I am planning to book a ticket to meet my friend's at Detroit. Can you please help me out to book a ticket for me?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: From which location that you are preferring to start and let me know your destination too?

USER: My nearest source airport code is ORD and my destination code is DFW.

ASSISTANT: On which dates do you prefer your journey.

USER: I would like to travel on 12/15 and return back on 12/17.

ASSISTANT: Please give me a minute, let me check the flights availability on your requested dates.

USER: Sure, take your own time. But try to fine best airline for me.

ASSISTANT: Do you have any other requirements?

USER: Yes, my connection limit is 0.

ASSISTANT: Sorry Taylor, there are no flights available on your requested dates.

USER: That' s fine. Thank you for your quick response.

ASSISTANT: Thank you for reaching us. Have a great day.