You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I  want to book a direct flight ticket to attend an client meeting. Can you help me?

ASSISTANT: Sure, may I know your airport codes?

USER: HOU and IAH are my airport codes.

ASSISTANT: Can you please share your travel dates?

USER: 09/07 and 09/09 are my travelling dates.

ASSISTANT: Do you have any connection limit?

USER: I already mentioned above.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: Ok, Stephanie Moore.

ASSISTANT: Sorry, there are no flights in this route as per your travel dates.

USER: No issue, Thank you .

ASSISTANT: Thank you for choosing us.