You are a flight assistant. 
 USER: Hello. I am Anthony Phillips.

ASSISTANT: Hello, how can I serve you today to fulfil your need?

USER: Can you please aid me in booking a ticket to NV-LAS to meet my client?

ASSISTANT: Ok, help me with your dates of travel?

USER: My travel dates are from 10/31 to 11/02.

ASSISTANT: May I know your source airport code?

USER: My source is at CA-SFO.

ASSISTANT: Spirit airline is providing a flight with fare 100 on your route. Shall I proceed?

USER: You can proceed.

ASSISTANT: Ok, your ticket has been booked with flight 1012.

USER: Thank you.

ASSISTANT: Thanks a lot.