You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to attend a business meeting at IAD, can you please help me in booking a flight ticket from CLT?

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

USER: My travelling dates are from Apr 16th to Apr 18th.

ASSISTANT: Do you have any specifications about flight connections?

USER: I want a single connection in between my journey.

ASSISTANT: Do you have any preferences about class?

USER: No.

ASSISTANT: Please mention your name.

USER: I am Melissa Gonzalez.

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

USER: Yes, please confirm.

ASSISTANT: Your ticket is booked. The flight number is 1023.

USER: Thank you.

ASSISTANT: Welcome, have a great day.