You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me to search a flight from TX-HOU to MN-MSP?

ASSISTANT: Yes, can I know your travelling dates?

USER: The travel dates are 12/21 to 12/23.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found a flight ticket with a price of 200 and it is a direct flight.

USER: No, I want the flight with 1 connection limit.

ASSISTANT: Sorry, no flight found on your requested criteria. Can I know your name?

USER: Ok, no problem. Thank you for your information. My name is Stephen King.

ASSISTANT: Thank you for consulting us.