You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Linda Lewis. I want to book a ticket from MSP to CLT. Can you please make a reservation for me?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your preferred dates of travel?

USER: Sure, my travelling dates are Feb 20 - Feb 22.

ASSISTANT: Is there any airline preference?

USER: I need a normal-cost flight.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a direct flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for reaching us.