You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ruth Roberts.

ASSISTANT: What service do you need from our agency?

USER: Do you have any flight from DFW to JFK?

ASSISTANT: Sure, I am here to help you with the flight ticket booking. Can you please help me with the travel dates?

USER: My travelling dates 05/31 and 06/02.

ASSISTANT: Ok, please hold on for a minute.

USER: Sure.

ASSISTANT: There is a flight available in the Spirit airlines with the connection limit 1 and the price is 300. Shall I proceed with ticket booking?

USER: I need flight with price limit 200.

ASSISTANT: Sorry to inform you, there is no flight available which is matching to your budget limit.

USER: That's fine, thanks for your information.

ASSISTANT: You are welcome. Thank you for reaching us.