You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Michelle Anderson.

ASSISTANT: Ok.

USER: I am planning to go for cable car museum at San Francisco, SFO. Can you please book a ticket from Austin, AUS?

ASSISTANT: Sure, I am here to help you. May I know your trip dates?

USER: Journey dates are 07/08 to 07/10.

ASSISTANT: Do you have any other requirements?

USER: I need a direct flight.

ASSISTANT: Sorry to inform you that, no flights are available based on your requirement.

USER: No problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.