You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kathleen Edwards here.

ASSISTANT: How may I assist you?

USER: I would like to visit Washington for a business meeting, can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, I will help you. May I know your source and destination airport codes?

USER: Sure, I want to travel from CLT to IAD.

ASSISTANT: Can you please share your journey dates?

USER: I am planning to move on 09/03 and please book my return ticket on 09/05.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: Thank you for your waiting, I found a flight for you in UA airlines with price 300. Shall I proceed?

USER: I am comfortable with this, you can proceed with booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1027.

USER: Thank you for your help in booking of my ticket, have a nice day.

ASSISTANT: Thank you for choosing us.

USER: Welcome.