You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How best I can guide you today?

USER: I want to travel from DFW to EWR. Can you please help me with booking?

ASSISTANT: Sure, On what dates do you want to travel?

USER: I want to start my journey  on Aug 09 and return back on Aug 11.

ASSISTANT: Ok, Let me know your connection limit.

USER: I need a flight with connection limit-0.

ASSISTANT: Can you please share your name for booking?

USER: Sure, my name is Ronald Moore.

ASSISTANT: Do you have other preferences for booking?

USER: No, thank's for asking.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure, I will wait.

ASSISTANT: Sorry to inform you that, there were no flights found based on your specified details.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for choosing us.