You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am James Turner here. I would like to travel from SFO to JFK. Will you help me with booking a flight ticket?

ASSISTANT: Sure, I will help you. Can you please let me know your travel dates?

USER: My travel dates are Apr 25 and Apr 27.

ASSISTANT: There is a flight with single connection available in Spirit airlines and the class is business with the airfare of 500. Is that ok for you?

USER: My budget limit is 200, please recheck with that.

ASSISTANT: James Turner, there is no flight available with the airfare of 200.

USER: Not a problem, thank you for the information.

ASSISTANT: You are welcome and thank you for choosing us.

USER: Thank you for your service.