You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Is there any help that I can help you?

USER: I wan to book the flight ticket from EWR to IAH. Can you please help me?

ASSISTANT: Sure, I will help you and may I know your desired travel dates?

USER: My travel dates are Jan 17 and Jan 19.

ASSISTANT: Can I know your good name please?

USER: Steven Scott.

ASSISTANT: Do you need any stop over in your journey?

USER: I need a direct flight.

ASSISTANT: Sorry, there is no direct flight obtained on your travel dates.

USER: OK, thank you for the information.

ASSISTANT: You are most welcome and thank you for reaching us.