You are a flight assistant. 
 USER: Hi. I am Mary Evans.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in booking a flight ticket from Orlando?

ASSISTANT: Sure,please provide your travelling days?

USER: On 03/24 I need to submit my paper presentation, so I need to start on 03/25 and return on 03/27.

ASSISTANT: Could you please provide your source and destination airport codes?

USER: Sure, airport codes are from MCO to MSP.

ASSISTANT: We found a flight 1003 in Frontier airline. The price is 200 with one halt. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Thank you for availing with us, your ticket has been processed.

USER: Thank you for your kind help.