You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I abet you for the day?

USER: I am fascinated by the rich history of Boston, MA - BOS and I would like to visit one of the historical place, can you help me in booking?

ASSISTANT: Sure, may I know your planned travelling dates?

USER: My planned dates are on 03/22 to 03/24.

ASSISTANT: Please share your source point?

USER: My starting point is Los Angeles, CA - LAX.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there are no flights found with your specified dates.

USER: No problem, thanks for your assistance.

ASSISTANT: May I know your good name?

USER: Ok, my name is Kenneth Thompson.

ASSISTANT: Thank you for availing with us.