You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Raymond Robinson.

ASSISTANT: How can I assist you?

USER: I am looking for a flight from LAX to OAK, can you help me in booking the flight ticket?

ASSISTANT: Ok, please can you help me by providing the travel dates?

USER: Sure, my planned travel dates are 10/02 and 10/04.

ASSISTANT: Sorry, there is no flight available at your origin location to book.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing our agency.