You are a flight assistant. 
 USER: Hello,. I am John Gonzalez.

ASSISTANT: Hello, how can I provide service to you?

USER: Please help me in booking me flight ticket for a round trip to Oakland, OAK.

ASSISTANT: Sure, may I know your journey dates?

USER: I want to start my journey on 07/29. I will return on 07/31 after visiting Disney world with my niece.

ASSISTANT: Do you need a stopover in between your journey?

USER: Yes, I need a lag stop in between my travel.

ASSISTANT: We found an airline Spirit with flight number 1001. Price 100 with a stopover is available.

USER: Ok, proceed with my booking for Spirit airline,.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.