You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I oblige you at present?

USER: I am Sarah Martinez. I want to book a flight from Chicago, ORD to Charlotte, CLT. Can you help me out?

ASSISTANT: Sure, we are here to help you for booking.

USER: Sure.

ASSISTANT: Let me know your planned journey dates.

USER: Sure, My planned dates are from 06/02 to 06/04.

ASSISTANT: Ok, may I know your budget?

USER: I can bare up to 1000.

ASSISTANT: Thanks for your details, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight in Spirit airline with a fare of 100 and single connection which fits to your details. Can I proceed for booking?

USER: Ok, Proceed.

ASSISTANT: Sure, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for approaching our service.