You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a flight ticket from TX-DFW to NV-LAS.

ASSISTANT: Ok, do you need any halt in between your journey.

USER: I need a connecting flight.

ASSISTANT: May I know your trip dates?

USER: 12/08 and 12/10 are my travelling dates.

ASSISTANT: Let me know your name for booking purpose?

USER: I am Ronald Evans.

ASSISTANT: Ok,wait for some time.

USER: Ok.

ASSISTANT: Unfortunately there is no flights found on your details.

USER: No issue.

ASSISTANT: Thanks for choosing us, Have a great day.

USER: Thank you for your help.