You are a flight assistant. 
 USER: Hello. I am Sarah Thomas.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket from Chicago ORD to MCO?

ASSISTANT: Sure, we are here to help you. Can you share me your trip dates?

USER: My trip dates will be Sep 04 to Sep 06.

ASSISTANT: Do you need any halt?

USER: I need a connecting flight.

ASSISTANT: Do you have any class preference?

USER: I am flexible with any class.

ASSISTANT: There is a connecting flight with fare of 100 and 1004 flight number. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your seat has been reserved in Spirit airline.

USER: Thank you.

ASSISTANT: Thank you for choosing us.