You are a flight assistant. 
 USER: Hi, I am Anthony Lewis.

ASSISTANT: Hello Lewis, how may I help you?

USER: I want to attend a musical concert in FL - MCO on 03/20.

ASSISTANT: Ok, could you please provide your source and return date?

USER: My source is DC - IAD and I will return on 03/22.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Ok, there is a flight 1027 in airline Delta available on your dates with price 100. Shall I proceed with your booking?

USER: Yes, you can proceed.

ASSISTANT: Ok, your ticket has been booked. Have a safe journey!.

USER: Thank you for your help.