You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: Please book a flight ticket from OAK to LAX?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My journey dates are May 26 and May 28.

ASSISTANT: Do you have any connection limit preference?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications for this trip?

USER: No.

ASSISTANT: May I know your good name please?

USER: I am Frank Taylor.

ASSISTANT: Frank Taylor, there is no active reservation found under your name in our database.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for contacting us.