You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to reserve a ticket from DCA to LAS, can you help me in doing that?

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: My journey dates are Oct 27 to 29.

ASSISTANT: Is there any connection limit for you?

USER: I need a connecting flight.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: Please help me with your name for booking.

USER: I am Scott Hall.

ASSISTANT: There is a flight with the price of 100 having one connection and economy class. Can I proceed to booking?

USER: Ok, please proceed.

ASSISTANT: Your booking is confirmed and the flight number is 1023.

USER: Thank you.

ASSISTANT: Thank you for reaching us.