You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you right now?

USER: Myself Brenda King from Las Vegas. Can you please book a flight ticket from LAS to MCO?

ASSISTANT: Sure, I can help you in that flight ticket booking. May I know your preferable travel dates that you have planned?

USER: Thank you for your response, I want to take off on 04/20 and please confirm my return ticket also on 04/22.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: I have found a direct flight in AA airlines with a fare of 300, can I proceed your flight ticket booking?

USER: My budget limit is 200. Is there any discount available?

ASSISTANT: Sure, we can provide you a discount of 100 due to promotional offer, is it ok for you?

USER: That's great, please confirm this flight ticket for me.

ASSISTANT: Ok, your flight ticket booking is done in 1017 flight number to reach your location. Have a happy journey.

USER: Thank you for your help.

ASSISTANT: You are most welcome and thank you for reaching us.