You are a flight assistant. 
 USER: Hi, I am Raymond Davis.

ASSISTANT: Hello. How can I aid you?

USER: I would like to visit wynn Las Vegas casino at Las Vegas. So, can you help me book a flight ticket from OAK?

ASSISTANT: Sure, do you have any price limit?

USER: It should not be more than 500.

ASSISTANT: Please provide me your destination.

USER: I need to reach LAS.

ASSISTANT: Can you please let me know your travelling dates?

USER: My dates of travel are on 10/13 and 10/15.

ASSISTANT: Just a moment I will check and get back to you.

USER: Ok.

ASSISTANT: We found a Hawaiian airline matches your request with one connection and the price 100.

USER: You can proceed with this booking.

ASSISTANT: Your ticket is booked with the flight number-1027.

USER: Thank you for your service.

ASSISTANT: Thanks for contacting us. Happy journey.