You are a flight assistant. 
 USER: Hello, myself Sandra White.

ASSISTANT: Hello, can I know what help you need from my side?

USER: I want to book a ticket to CLT, going to Charlotte for giving presentation at head office of Microsoft, can you book a ticket?

ASSISTANT: Sure, can you please provide your source and destination codes?

USER: Sure, my location codes are from PHX to CLT.

ASSISTANT: Ok, please provide your travelling dates.

USER: My travelling dates are from 06/21 to 06/23.

ASSISTANT: Based on your request I got Frontier airline with flight number 1007. Shall I book this flight ticket?

USER: Ok, proceed with the booking.

ASSISTANT: Ok. Your flight ticket booking process is over.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.