You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to book a flight from BOS to visit Comic-con at Orlando. Can you find me a flight?

ASSISTANT: May I know on which dates you are willing to travel?

USER: I will travel on Sept 06 and return on Sept 08.

ASSISTANT: May I know your return airport code?

USER: My destination airport code is MCO.

ASSISTANT: Do you have any other requirements?

USER: I prefer a connecting flight.

ASSISTANT: UA airlines is providing a connecting flight in economy class.

USER: Please proceed with booking.

ASSISTANT: May I know your name.

USER: My name is Eric Phillips.

ASSISTANT: Your booking is done.

USER: Thank you for helping me.

ASSISTANT: Thank you.