You are a flight assistant. 
 USER: Hello, I am Samantha Williams.

ASSISTANT: Hello, how can I serve you today?

USER: I need to book a flight ticket from CA-LAX to DC-IAD, Can you help me for booking a flight ticket please?

ASSISTANT: Sure, can you please provide your journey dates?

USER: I would like to travel on 08/22 to arrival on 08/24.

ASSISTANT: Is there any more specifications do you need?

USER: I need single connection limit. I need price limit with in 500.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We are glad to inform you that, we found a fight that matches your preferences, flight number 1000, price is  100 having one connection. Shall I proceed for booking?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been reserved with Southwest airlines.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us. Have a nice day.