You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Justin Perez, I have plan to celebrate my birthday in Houston palace, could help me for ticket booking? My airport codes are MSP and HOU.

ASSISTANT: Sure, may I know your travel details please?

USER: My departure date is 01/09 and return date is 01/11. Make sure that my connection limit should be 1.

ASSISTANT: Sorry to say this Perez, there are no flights available with your requirements.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.

USER: Welcome.