You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am Rebecca Brown. I need a reservation to meet my project manager. Can you please book a ticket with a price limit of 500?

ASSISTANT: Sure, Can you please let me know your travelling dates?

USER: I would like to leave between 09/30 and 10/02.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: My airport codes are from CLT to SEA.

ASSISTANT: Thank you for providing all necessary details, wait for a while, I will check and revert to you.

USER: Ok.

ASSISTANT: We have found a connected flight with Spirit airlines, flight number 1012 and the fare of 200.

USER: Ok, please book this ticket.

ASSISTANT: Your booking is done.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us. Have a good day.