You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Frank Edwards here. I need to attend an exam in Orlando. Can you please help me for booking the flight ticket from Chicago?

ASSISTANT: Sure, could you please provide your willing dates to travel?

USER: My departure date is 12/15 and return date is 12/17.

ASSISTANT: Ok, may I know the codes of airport you want to travel?

USER: My airport codes are from ORD to MCO.

ASSISTANT: Ok, please wait a moment.

USER: Ok, I will wait.

ASSISTANT: Ok, there is a flight 1029 in UA airline matching your details with price 300. Shall I proceed?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your booking is done.

USER: Thanks for helping me.

ASSISTANT: You are welcome, have a nice journey.