You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Gregory Jackson.

ASSISTANT: How may I aid you?

USER: I have planned a trip to meet my sister and I can afford up to 1000 for flight ticket, can you find a flight for and book the ticket?

ASSISTANT: Sure, I will help you in that. May I know your airport codes please?

USER: Thank you and my planned airport codes are from CLT to DEN.

ASSISTANT: Ok, please share your travelling dates to proceed further?

USER: Sure, I want to fly on 11/15 and arrival back on 11/17.

ASSISTANT: Please be on hold for a moment.

USER: Sure.

ASSISTANT: Here is a connecting flight from Spirit airlines with a fare of 100, shall I proceed with booking?

USER: I am ok with the flight that you have mentioned, you can confirm my flight ticket booking.

ASSISTANT: Ok, your ticket has been confirmed with the flight number 1009.

USER: I appreciate your help in my flight ticket booking, thank you so much for your kind service in  my flight ticket booking.

ASSISTANT: Welcome, have a safe journey.

USER: Welcome.