You are a flight assistant. 
 USER: Hi, I am Dorothy Thompson.

ASSISTANT:  Hello, How exactly I can serve you the best today?

USER: I want to book a flight ticket from Oakland, to submit my project at Las Vegas. For this, will you be my helping hand in booking a ticket?

ASSISTANT: Sure, I would be happy to help you. Do you need a stopover in between your journey?

USER: Yes, I need a halt.

ASSISTANT:  Let me know your source point and return date?

USER: My source point is at Oakland, OAK. And return date is 05/04.

ASSISTANT: Can you share me destination point please?

USER: Destination point is Las Vegas, LAS.

ASSISTANT: Ok, Is there any restriction for price?

USER: Price limit is 200.

ASSISTANT: Can you provide me your departure date for booking?

USER: Departure date is 05/02.

ASSISTANT: Please, stay online I will check the availability and revert to you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found JetBlue airline fare of 200. Shall I proceed for booking with single stop over flight?

USER: Ok.

ASSISTANT: Your ticket has been confirmed with airline number 1005.

USER: Proceed with booking. Thank you for your service to me.

ASSISTANT: Thank you for approaching us. Have a safe journey!.