You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I serve you?

USER: I am Richard Miller. I am planning to conduct a sports festival at Las Vegas. Can you help me in my booking?

ASSISTANT: Sure I will help you.

USER: Thank you.

ASSISTANT: From where you want to start your journey?

USER: My origin airport code is NY - EWR.

ASSISTANT: Can you share me your travelling dates?

USER: I will start my journey on 06/16 and again I will return on 06/18.

ASSISTANT: Let me know your destination airport code.

USER: My destination airport code is NV - LAS.

ASSISTANT: Do you have any preferences?

USER: I need a flight with a layover.

ASSISTANT: Thanks for your details, Please hold on.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Fine.

ASSISTANT: There is a flight 1001 in Delta airline and price 100 with a connection an it is a economy class.

USER: Proceed with my booking.

ASSISTANT: Your reservation is done.

USER: Thank you for your help.

ASSISTANT: Thank you.