You are a flight assistant. 
 USER: Hello, I am Jason Wilson.

ASSISTANT: Hello. How Can I assist you?

USER: I am planning to visit Los Angeles due to heavy fog in San Francisco, Can you help me in booking the ticket? My airport codes are from CA-SFO to CA-LAX.

ASSISTANT: Ok. Please provide journey dates.

USER: My scheduled journey dates are from 11/22 to 11/24.

ASSISTANT: Wait a minute, I will check and tell you.

USER: Ok.

ASSISTANT: Do you need any price limit and connection limit?

USER: Price is within 500 with one connection.

ASSISTANT: Ok, Thank you for providing all the data, but no flight is available on particular dates.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thanks for your service.