You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

USER: Can you find a direct flight from LAX to OAK?

ASSISTANT: Ok, help me by providing your trip dates.

USER: My trip dates are 07/28 and 07/30.

ASSISTANT: May I know your name?

USER: Kathleen Green here.

ASSISTANT: Thanks for your details, there is no direct flight for you on your route Kathleen Green.

USER: It's ok, thanks for your help.

ASSISTANT: Welcome, have a good day.