You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I am Dorothy Johnson, I want to book a flight ticket to Las Vegas to attend my sister's house warming ceremony. Please help me.

ASSISTANT: Sure, kindly provide me your travel dates.

USER: My preferred travelling dates are from 02/08 to 02/10.

ASSISTANT: Can you provide me your airport codes?

USER: I want to fly from CA- LAX to NV- LAS.

ASSISTANT: There is a flight with your requirement, airline is UA with price 100 and single connection. Shall I proceed with booking?

USER: Please go with booking.

ASSISTANT: Your booking is done.

USER: Thank you for the reservation.

ASSISTANT: Thanks for reaching us, have a good day.