You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you please book a ticket from MSP to LAX to attend Science festival?

ASSISTANT: Sure, can you share me your trip dates?

USER: My journey dates are Mar 19 and Mar 21.

ASSISTANT: Is there any connection limit?

USER: I want single connected flight.

ASSISTANT: Can I know your good name?

USER: Sure, I am Dorothy Davis.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry, no flights are available on your trip dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.