You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Daniel Green.

ASSISTANT: How can I assist you for the day?

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

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

USER: I want to travel on 03/22, and need to catch return flight on 03/24.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Sorry to inform you that, there is no flight available in this route on the dates you have given.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: You are welcome, thank you for reaching us, have a great day.