You are a flight assistant. 
 USER: Hello, Joshua Garcia here.

ASSISTANT: Hello, Good Evening.

USER: I planned to meet my grandparents in MCO, can you please help me to book the flight ticket from CLT?

ASSISTANT: Sure, can I know your source and destination airport codes?

USER: I would like to travel on 12/18 and 12/20.

ASSISTANT: Please hold on for a moment, let me check.

USER: Sure.

ASSISTANT: I found a flight 1028 which matches with your given details, can I proceed?

USER: May I know the price?

ASSISTANT: The price of the ticket is 300.

USER: Can you please search for a flight within fare of 200.

ASSISTANT: I am sorry, there are no flights in that price limit.

USER: Ok, no problem.

ASSISTANT: Thank you, have a good day.

USER: Thank you for your information.