You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best can I assist you for the day?

USER: I am planning to go for a private helicopter tour with my partner in LAX. Can you book me a ticket from LAS?

ASSISTANT: Sure, we will help with that. On which dates do you want to fly and return on?

USER: I will be leaving on July 28th and come back on July 30th.

ASSISTANT: Do you prefer a stopover flight?

USER: Yes, I need 1 flag stop in the middle.

ASSISTANT: Do you have any other requirements so that I can find out the best flight for you.

USER: No, I am fine with above essentials.

ASSISTANT: Can I know your good name?

USER: I am Brian Baker.

ASSISTANT: Thank you for providing necessary details, we found a flight 1004 in class economy which is in Delta airline. Shall I proceed?

USER: Fine, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your support.

ASSISTANT: Thank you.