Hi.
user
Hello, how may I be a help for you?
assistant
My name is Dennis Roberts, can you please help me to book a flight from LAX to BOS?
user
Sure, may I know your planned dates to travel?
assistant
Sure, my itinerary dates are from 03/12 to 03/14.
user
Sorry, there is no flight available on your requested dates.
assistant
No problem, thank you for checking.
user
You are welcome.
assistant