You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Could you book a ticket from LAS to HOU.

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: My travelling dates are from Sept, 9 to Sept, 11.

ASSISTANT: May I know your connection limit?

USER: I would prefer direct flight.

ASSISTANT: Do you have any other requirements?

USER: No, thanks for asking.

ASSISTANT: Ok, please share your name to proceed further.

USER: I am Stephanie Carter.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Thanks.

ASSISTANT: Thank you for reaching us.