You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I'm planning a small trip at Charlotte, can you please book the ticket from ORD to CLT?

ASSISTANT: Sure, can you please share your journey dates?

USER: Sure, my planned departure and return travel dates are 27th and 29th of March.

ASSISTANT: Are you looking for any preferred connections?

USER: I prefer single connected flight to travel.

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

USER: No.

ASSISTANT: Can I have your name to proceed further?

USER: My name is Christine Moore.

ASSISTANT:  We found a American airlines, flight number-1020 class-economy and fare is 100. Shall I proceed?

USER: That's fine, proceed for booking the ticket.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you so much for your help.

ASSISTANT: Thank you for reaching us.