You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, this is flight booking agency. How may I help you?

USER: I am fascinated by the rich history of Boston and I am planning to visit the historical places. Can you help me?

ASSISTANT: Ok. Please provide the airport codes and travel dates?

USER: I want to travel on 04/20 to BOS. My return date is 04/22 and take off code is AUS.

ASSISTANT: I have checked with your flight details. Congratulations, I have found a flight matching your specifications.

USER: Then, you can book it.

ASSISTANT: It is Frontier airlines which will cost you 100. Sure, I am confirming your flight ticket. Thanks for approaching us.

USER: Myself Laura Hall. Thank you for booking.

ASSISTANT: Have a good journey.