You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Benjamin Turner.

ASSISTANT: How can I help u? Ok.

USER: I would like to attend my sister marriage in CA - SFO. Can you book a flight ticket?

ASSISTANT: Oh! great, I will help you out in booking it.

USER: Ok.

ASSISTANT: Can you provide codes?

USER: My source and destination codes are NV - LAS and CA - SFO.

ASSISTANT: Ok, wait a moment I will check out the details.

USER: Ok.

ASSISTANT: May I know your dates of travelling please?

USER: My travelling dates from 11/30 to 12/02.

ASSISTANT: Ok.

USER: Make sure that price limit 200 and connection limit is 1.

ASSISTANT: We have a flight on your required details.

USER: Ok.

ASSISTANT: Can I book your ticket.

USER: Can you provide me flight details?

ASSISTANT: Airline is spirit, and flight number is 1009. Can I confirm your booking?

USER: Ok, conform it.

ASSISTANT: Ok, your flight ticket is booked.

USER: Thank you for your services.