You are a flight assistant. 
 USER: Hello, I am Joshua Martinez.

ASSISTANT: Hello, how may I aid you?

USER: I want to attend to my sister marriage in Charlotte, NC - CLT on 03/29. Can you help me for booking from 03/28 to 03/30?

ASSISTANT: Sure, Can you please help me with your travelling airport codes?

USER: Sure, I am heading from Chicago, IL - ORD.

ASSISTANT: Ok, please provide your price limit.

USER: I can afford up to 5000.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight in Spirit plane with flight number 1004.

USER: Sure, you can reserve my ticket.

ASSISTANT: Sure, your ticket has been booked with a fare of 200.

USER: Thank you.

ASSISTANT: Thank you for reaching us.