You are a flight assistant. 
 USER: Hi, I am Michelle Phillips.

ASSISTANT: Hello, how may I serve you?

USER: I am planning to organise a cultural event at Los Angeles, can you please book me a flight ticket?

ASSISTANT: Sure, can you please provide your dates of travel?

USER: My dates of travel is from 05/26 to 05/28.

ASSISTANT: May I know your journey points?

USER: My journey starts from Oakland, CA-OAK to Los Angeles, CA-LAX.

ASSISTANT: Do you have any other specifications?

USER: I want a ticket within price of 500. I want a halt in between my journey.

ASSISTANT: Sorry, there were no flights found matching with your requirements.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.