You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: My name is Mark Harris. I want to book a flight ticket with a price limit of 5000 for attending a client meeting in Chicago.

ASSISTANT: Ok. Please share me your trip dates?

USER: My departure day is 09/01, return day is 09/03.

ASSISTANT: Kindly share me your airport codes?

USER: My source and destination airport codes are FL - MCO, IL - ORD.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a connecting flight with price of 300 and flight number 1024. Shall I make it confirm?

USER: Yes, please.

ASSISTANT: Your booking has been confirmed with Southwest airline.

USER: Thanks for booking a flight ticket.

ASSISTANT: Thanks for connecting with us.