You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you at present?

USER: I am looking for a flight from MCO to attend meeting with client. Can you book a flight to IAD?

ASSISTANT: Sure, Can you please mention your planned dates?

USER: I will fly on Apr 17 and return on Apr 19.

ASSISTANT: May I know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Ok, Is there any class preference?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please mention your good name please.

USER: My name is Eric Martin.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a flight in United Airline with a connected flight and the cost is 300. Can I proceed for booking?

USER: Please proceed with booking.

ASSISTANT: Sure, your booking has been done in an economy class.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching our service.