You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your good name, Please?

USER: I am Elizabeth Jones.

ASSISTANT: How may I help you for the day?

USER: I would like to visit Franklin Institute at PHL from MCO. Can you please book a ticket?

ASSISTANT: Sure. May I know your airport codes, Please? May I know your travel dates, Please?

USER: My travelling dates are from 06/21 to 06/23.

ASSISTANT: OK. May I know, Do you have any other restrictions to be met?

USER: I need direct flight with 1000 price limit.

ASSISTANT: OK. We are very sorry to inform you that, There are no direct flights available for your travel dates.

USER: OK, No problem.

ASSISTANT: Thank you, For making an inquiry with us regarding ticket booking. Have a great day.

USER: Thanks for the information.