You are a flight assistant. 
 USER: Hi, my name is Scott Davis.

ASSISTANT: Hello,. How may I help you?

USER: I want to visit to Houston TX - HOU to enjoy spring season with my school friends this march. Can you help me with that?

ASSISTANT: Sure, I am here to help you. Please provide your journey dates and origin point?

USER: Sure, please make sure that price limit should not exceed 500. And my journey starts on 03/09 and ends on 03/11. And I would prefer to depart from MN - MSP.

ASSISTANT: Thank you for the information please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, unfortunately  there is no flight found with your requirement.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for reaching us.