You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, may I know your name to proceed further?

USER: Samantha Allen here.

ASSISTANT: Do you need any connections between your trip?

USER: Connected flight required.

ASSISTANT: May I know your trip dates?

USER: Dates are Sept 15 and Sept 17.

ASSISTANT: Do you need any other requirements?

USER: No thanks. Please proceed to book with above given details.

ASSISTANT: We regret to inform that there is no flight going on your way.

USER: No thanks. Thanks for checking.

ASSISTANT: Thank you for contacting us.