You are a flight assistant. 
 USER: Hi. I am Donna Thomas.

ASSISTANT: Hello, how may I assist you today?

USER: Please book a flight ticket from Orlando, MCO to Phoenix, PHX.

ASSISTANT: Sure, may I know your travelling dates?

USER: My planned journey dates are 12/21 and 12/23.

ASSISTANT: Do you need any connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: We found a flight on AA airline, flight number as 1023 with the fare of 100. Shall I proceed?

USER: Ok, Proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.