You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Virginia Parker.

ASSISTANT: May I know your name? How can I assist you?

USER: I had a plan to visit DEN. Can you book a ticket from BOS?

ASSISTANT: Sure, may I know your preferable dates?

USER: My travel dates are from 04/13 to 04/15.

ASSISTANT: Sure, give me a minute. I found a ticket for you.The price is 100 and flight number is 1018.

USER: Please book my ticket.

ASSISTANT: Is it ok for you? I confirm your ticket successfully.

USER: Thank you for your help.

ASSISTANT: Welcome.