You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you help me to book a flight ticket from OAK to LAX?

ASSISTANT: Sure, may I know your travelling dates please?

USER: Ok, please can you book for the dates Mar 5th and Mar 7th?

ASSISTANT: Can you please share your connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your name please?

USER: My name is Virginia Roberts.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Virginia Roberts, there are no flights available in your route.

USER: Not an issue. Anyway, thank you for the information.

ASSISTANT: Thank you for choosing us.