You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to fly from DFW, will you please assist me in making an airline reservation to DCA?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travelling dates are Oct 13th and Oct 15th.

ASSISTANT: Do you have any specifications about flight connections?

USER: Yes, I need a flight with single connection.

ASSISTANT: Do you have any preferences about class?

USER: No.

ASSISTANT: Please mention your name.

USER: Gregory Garcia.

ASSISTANT: The United airlines providing an economy class flight with price 100 and the connections 1. Shall I confirm your ticket?

USER: You can confirm.

ASSISTANT: Your ticket is booked. The flight number is 1013.

USER: Thank you.

ASSISTANT: Welcome, have a great day.