Hello.
user
Hello, how may I serve you at this moment?
assistant
My name is Helen Lewis, I want to book a flight from LAX to meet my uncle. Can you book a flight to IAD?
user
Sure, I will help you. Please send your travelling dates.
assistant
I will travel on Oct 26 and return on Oct 28.
user
Do you have any preferences?
assistant
I need a flight with single connection.
user
Sorry, there is no flight available on your journey dates.
assistant
Ok, thank you for the information.
user
You are welcome, have a nice day.
assistant