You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kevin Williams.

ASSISTANT: How can I assist you?

USER: I am planning to travel from MSP to DFW, help me in booking a flight?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: My travelling dates are 07/09 to 07/11.

ASSISTANT: May I know your time concerns please?

USER: I will return in morning flight.

ASSISTANT: May I know your connection limit please?

USER: I need 1 connection.

ASSISTANT: Ok, please wait for a while. Sorry to say that there are no flights available for you on those dates with your given details.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us.