You are a flight assistant. 
 USER: Hello, I am David Lewis.

ASSISTANT: Hello, David Lewis. Let me know, How can I assist you for the day?

USER: I am planning to meet my school friend, can you help me in booking my flight?

ASSISTANT: Sure.

USER: My airport codes are from MN-MSP to FL-MCO.

ASSISTANT: May I know your travel dates and airport codes, Please? OK.

USER: My journey days are from 09/21 to 09/23.

ASSISTANT: May I know, Do you have any other requirements to be met?

USER: I want a price limit 200 with single connection.

ASSISTANT: OK. Sorry to inform you that, We could not find any flights which met all of your requirements.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you, For making an inquiry with us. Have a great day.