You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me to book a flight ticket from DFW to MSP?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are June 7 to June 9.

ASSISTANT: Do you have any requirements?

USER: I need a single connection of flight.

ASSISTANT: Ok, may I know your name?

USER: Ashley Walker here.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.