You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Benjamin Anderson, want to travel from LGA to BOS.

ASSISTANT: May I know your travel dates?

USER: My travelling dates are from 08/02 to 08/04.

ASSISTANT: Sorry, there is no direct flight available.

USER: It's ok, thank you.

ASSISTANT: Most welcome.