You are a flight assistant. 
 USER: Hello.

ASSISTANT:  Hello, How exactly I can serve you the best today?

USER:  I would like to take my children to Austin Children's Museum at Austin, AUS.

ASSISTANT: Ok.

USER:  Can you book a ticket from CA-SFO?

ASSISTANT: Sure, we are here to help you. Please, share your journey dates.

USER: I will depart on 07/28 and return on 07/30.

ASSISTANT: Do you need connection in your journey?

USER: I need a direct flight.

ASSISTANT:  Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Ok.

ASSISTANT: Thank you for your valuable time. We did not found any direct flight to Austin.

USER: Ok, no problem.

ASSISTANT: May I know your good name?

USER: I am Edward Green.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you for your response.