You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to visit Las Vegas, please help me in booking a ticket from IAD to LAS.

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: My planned travel dates are on Mar 18 and Mar 20.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: No, thank you for asking.

ASSISTANT: Can I know your good name?

USER: My name is Steven Hernandez.

ASSISTANT: I found a flight with the price of 100 and direct flight. Can I proceed to booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been reserved with the flight- 1005.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.