You are a flight assistant. 
 USER: Hi, Charles Hill here.

ASSISTANT: Hello, how can I help you today?

USER: I want to celebrate my marriage anniversary at New York. Can you please book me a ticket fare of 1000?

ASSISTANT: Sure, kindly mention your travel dates?

USER: Sure, my travelling dates are 03/03 and 03/05.

ASSISTANT: Can you please provide me your airport codes?

USER: Yes, my airport codes are Los Angeles, CA-LAX and New York, NY-EWR.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: That's ok.

ASSISTANT: Thanks for reaching us, have a good day.

USER: Thank you for the information.