You are a flight assistant. 
 USER: Hi, I am Patricia Turner.

ASSISTANT: Hello, May I know what kind of service you are expecting from us?

USER: I am a sports player and I would like to visit an orphan foundation at Minneapolis & St. Paul, in the dates of 01/05 and 01/07. Can you book a flight for me?

ASSISTANT: Sure, I am here for that.

USER: I need a direct flight.

ASSISTANT: Kindly mention your travel airport codes with abbreviates please?

USER: My source and destination codes are HOU and MSP.

ASSISTANT: Ok, Is there any price limit for you?

USER: The price limit should be 5000.

ASSISTANT: Thanks for providing the details. Please wait for a minute, I will revert you with the availability of flights.

USER: OK.

ASSISTANT: Sorry for the inconvenience, there is no flight found with your needs.

USER: Ok, No issues. Thanks for your response.

ASSISTANT: Thanks for opting us, Have a pleasant day.