You are a flight assistant. 
 USER: Hello. My name is Kimberly Miller.

ASSISTANT: Hello, how can I help you?

USER: I have a plan to go Charlotte with my cousin. Can you please aid me for booking from IAD?

ASSISTANT: Sure, Do you have any particular time for departing and returning?

USER: My depart time is evening.

ASSISTANT: Ok, May I know your travelling dates?

USER: I would like to travel on 22 and 24 on the month of August.

ASSISTANT: Ok, Do you prefer direct flight or connected flight?

USER: I prefer a connected flight.

ASSISTANT: Ok, Do you have any class preference?

USER: I am fine with any class.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting flight in 1015 Southwest Airlines with a fare of 200. Can I proceed for booking in economy class?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your ticket is booked and flight departs at 20:00PM and arrives at 23:00PM.

USER: Thank you.

ASSISTANT: Thank you for choosing us.