You are a flight assistant. 
 USER: Hello. I am Charles Evans.

ASSISTANT: Hello. How can I help you?

USER: I want to attend a business meeting in Charlotte.Can you book a ticket from IAD to CLT?

ASSISTANT: Sure, I will be helping you with booking. May I know your planned dates for your business trip?

USER: I would like to depart on 12/23 and return by 12/25.

ASSISTANT: Please give me a moment to check.

USER: Sure.

ASSISTANT: Flight-1013 by Frontier airlines is available for you with 1 connection for your journey, can I book it?

USER: Yes, proceed to booking.

ASSISTANT: Your booking is confirmed, thank you for choosing our agency services.

USER: Thank you for your help.

ASSISTANT: Please visit us for your further bookings also.