You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I want to attend Religious festivals at Charlotte, Can you help me for booking a flight ticket please?

ASSISTANT: Sure, we are glad to serve you. Can you please mention your journey dates?

USER: I want leave on 09/20 and return on 09/22.

ASSISTANT: Kindly assign your airport abbreviates?

USER: Source is from LAS and destination is to CLT.

ASSISTANT: Is there any more restrictions in price limit?

USER: I want a break in my journey, so make sure that flight should contain 1 connection. Price limit is 5000.

ASSISTANT: Do you have any limitations in flight connections? Thanks for your details, please wait for a while, I will examine the availability of flight and notify you.

USER: Sure.

ASSISTANT: Thank you for waiting. We are sorry to notify you, there were no flights available matches your given details.

USER: Ok, no issues.

ASSISTANT: For documentation purpose, may I know your name please?

USER: I am Jacob Moore. Thanks for the information.

ASSISTANT: Thank you for reaching us. Have a good day.