You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. In which way I can help you at this moment?

USER: I want to book a flight ticket from NY-EWR to TX-HOU.

ASSISTANT: Sure, I will help you with that. On which dates do you like to travel?

USER: The travel dates are from 09/15 to 0917.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting.

USER: It's my pleasure.

ASSISTANT: Sorry to inform you that no flight has found in your route. May I know your good name?

USER: Angela Moore here.

ASSISTANT: Thank you for choosing us. Have a good day.

USER: Most Welcome.