You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Is this legacy agency?

ASSISTANT: Yes welcome to Legacy agency. How may I help you?

USER: Myself Lisa Gonzalez.

ASSISTANT: Nice to meet you Lisa Gonzalez.

USER: I am fascinated by the rich history of Boston and I am planning to visit one of the historical places. Can you book a flight from DTW?

ASSISTANT: Yes I am here to help you. May I know your trip details?

USER: My travelling dates are 01/29 to 01/31.

ASSISTANT: Ok, is it your destination is BOS?

USER: My destination is Denver-DEN.

ASSISTANT: Ok, we got a flight for you according to your information in airline UA. Shall I proceed?

USER: You can book it.

ASSISTANT: Ok, your ticket has been booked successfully with flight number 1006.

USER: Thank you.

ASSISTANT: Welcome. Have a safe journey.