You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me booking a flight ticket from CLT to ORD?

ASSISTANT: Sure, we are glad to help you. May I know your travelling dates?

USER: I will start on 07/25 and return on 07/27.

ASSISTANT: Do you have any break in between journey?

USER: I need a break in my journey.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Melissa Rodriguez.

ASSISTANT: We found a connecting flight in United Airlines with a fare of 200 which departs at 16:00 and return at 21:00. Shall I proceed for booking?

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1002.

USER: Thank you.

ASSISTANT: Thank you for contacting us.