Hello, Michael Campbell here.
user
Hello, how may I help you?
assistant
 I want to visit The New England Aquarium located in Boston, MI - BOS, can you please help me to book a flight from Los Angeles, CA - LAX?
user
Sure, could you please provide your travelling dates to search for the flight?
assistant
Sure, I will be travelling from 04/19 to 04/21.
user
Please wait for a moment.
assistant
Sure.
user
There is no flight is available for you. Sorry for inconvenience.
assistant
Never mind, thank you for the information.
user
Thank you for reaching us.
assistant