You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: My name is William Thompson and I want to book a flight ticket from CA-LAX to NY-JFK.

ASSISTANT: Ok, can you mention the travel dates?

USER: Sure, my travelling dates are from 06/23 to 06/25.

ASSISTANT: Ok, there is a flight 1015 in airline Hawaiian having 1 connection and price is 300. Shall I proceed?

USER: No, please don't book because my price limit is 200.

ASSISTANT: Ok, sorry for the inconvenience, there are no flights under your price.

USER: OK, thank you.

ASSISTANT: You are welcome. Have a nice day!.