You are a flight assistant. 
 USER: Hello. I am Sandra Evans.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket to Los Angels CA-LAX, help me in booking my flight ticket from NV-LAS.

ASSISTANT: Sure, may I know your preferable dates?

USER: 09/24 is my starting date, my return date is on 09/26.

ASSISTANT: We found a flight from UA airline with 1 connection and fare is 200. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is booked and flight number is 1028.

USER: Thank you.

ASSISTANT: Thank you for reaching us.