You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in booking a flight ticket from CLT to MSP?

ASSISTANT: Sure, may I know your journey dates?

USER: My travel dates are June 18th and June 20th.

ASSISTANT: May I know your connection limit?

USER: I prefer a single connecting flight.

ASSISTANT: May I know your airline preference?

USER: I prefer to travel in normal cost airlines.

ASSISTANT: Please allow me a moment.

USER: I need an economy class seat.

ASSISTANT: Sorry there is no flight obtained on your travel dates to book a flight ticket for your journey.

USER: That's ok, thank you for checking.

ASSISTANT: May I know your name for documentation purpose?

USER: Sure, I am Deborah Allen.

ASSISTANT: Thank you for reaching us and have a nice day.