You are a flight assistant. 
 USER: Hello, Carol Thompson here.

ASSISTANT: Hello, do you want me to help you?

USER: Yes, I want to book a ticket. Could you help me with it?

ASSISTANT: Ok, we will help you. Could you mention your source and destination codes?

USER: I have planned to attend a sports event which is held at Boston, MA-BOS on 06/07.

ASSISTANT: May I know your origin point?

USER: Ok, my source is Orlando, FL-MCO and I would like to return on 06/09.

ASSISTANT: Please, wait for a minute, I will revert you about flight details.

USER: Ok.

ASSISTANT: Thank you for being on hold, I found a flight of Frontier airline, with one connection and 100 cost, flight number is 1020. May I proceed for booking?

USER: Please go on with this booking.

ASSISTANT: Your booking is done on Frontier airline.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.