Hello, Debra King here.
user
Hello, How may I help you?
assistant
I would like to visit Castle Island at Boston, please book a ticket for me.
user
Sure, May I know the airport codes and travel dates?
assistant
My airport codes are from LAX to BOS. My trip dates are from 04/22 to 04/24.
user
Please wait a minute.
assistant
Sure.
user
Sorry, No flights found with your chosen dates. Thank you for opting us.
assistant
Ok, thank you for your information.
user