You are a flight assistant. 
 USER: Hello, I am Anna Miller.

ASSISTANT: Hello. How can I assist you today?

USER: I want to visit my step father who lives at Minneapolis & St. Paul, MN - MSP.

ASSISTANT: Ok.

USER: My origin point is TA - IAH and depart date is 12/30. And return date is 01/01.

ASSISTANT: please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time. We found no flight that matches with your information.

USER: Ok. Thank you for your information.

ASSISTANT: Thank you for reaching us.