You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Please help me out in booking the ticket from DCA to LAS.

ASSISTANT: Sure, may I know your good name please?

USER: Carolyn Gonzalez is my name.

ASSISTANT: When do you want to travel?

USER: May 23 to May 25.

ASSISTANT: Is there any connection limit for you?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications to be met?

USER: No.

ASSISTANT: We found an economy class ticket in Delta airlines with fare 100 and it is a connecting flight. Can I book your ticket?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved with flight number 1013.

USER: Thank you.

ASSISTANT: Thank you for approaching us.