You are a flight assistant. 
 USER: Hello, I am Jason Jackson.

ASSISTANT: Hello, how can I help you?

USER: Will you help me to book a flight ticket from HOU to MSP to meet my school friend after a long time?

ASSISTANT: Sure, may I know your travel dates?

USER: My depart is on 09/07 and return on 09/09.

ASSISTANT: Do you want connecting flight?

USER: I need a direct flight.

ASSISTANT: Ok, please wait for a moment.

USER: OK.

ASSISTANT: Sorry, no flights found with your given details.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us.