You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please help me with booking a flight ticket from ATL to HOU?

ASSISTANT: Sure, can you please share your travel dates?

USER: I would like to take off on May 26 and return on May 28.

ASSISTANT: May I know your connection limit?

USER: I am looking for a connecting flight with normal cost airline.

ASSISTANT: Do you have any other specification that you are looking for?

USER: I would like to return during evening time.

ASSISTANT: May I know your name to proceed further?

USER: Scott Martinez.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for contacting us.