You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you today?

USER: Please book a flight to Boston, MA-BOS from Orlando, FL-MCO, for holiday vacation.

ASSISTANT: Sure, may I know your travelling dates?

USER: I will depart by 12/30 and return on 01/01.

ASSISTANT: To proceed booking I need your name.

USER: I am Jennifer Taylor.

ASSISTANT: There is a flight with airline:Delta and flight number:1004 and price 200.

USER: Please book a connecting flight.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for the assistance.

ASSISTANT: Thank you have a safe journey.