You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I need a flight reservation with name Eric Green to attend my sister's engagement.

ASSISTANT: Ok, may I know your price limit?

USER: I need my ticket within price 1000.

ASSISTANT: OK, can you please provide your journey airport codes?

USER: My origin airport is Seattle, WA- SEA and Dest airport is New York, NY - JFK.

ASSISTANT: Can you please assign your journey dates?

USER: I want to fly on 08/11 and return on 08/13.

ASSISTANT: Thanks for providing information, please wait for a moment.

USER: Ok.

ASSISTANT: Unfortunately, we did not find any flights based on your criterion.

USER: Ok, no issues.

ASSISTANT: Thank you for opting us, have a nice day.

USER: Thank you for the information.