You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Richard Moore here, I want to reserve my ticket within the price limit of 500, can you please help me in this condition?

ASSISTANT: Sure, I am here to help you. Could you please let me know your travelling dates?

USER: Sure, my dates of travel is from 10/20 to 10/22.

ASSISTANT: May I know your preferable airport codes?

USER: Ok, my respective airports codes of travel is from MCO to MSP.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: There is a flight-1024 of Delta airlines, shall I proceed?

USER: Ok, please proceed with this ticket booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your service in reserving my ticket.

ASSISTANT: Welcome.