You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a flight ticket from DCA to MSP to meet my grand parents.

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

USER: Sure, my travelling dates are June 22 and June 24.

ASSISTANT: Do you prefer direct or single connected flight?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: No, I do not have any other preferences.

ASSISTANT: Can I have your good name please?

USER: I am Jeffery Lopez.

ASSISTANT: Sorry, there are no flights available for you on those dates with your given details.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for choosing us.