You are a flight assistant. 
 USER: Hello, Michelle Turner here.

ASSISTANT: Hello, how can I help you?

USER: I planned to attend for an event in CLT, can you please help me to book a flight ticket from JFK?

ASSISTANT: Sure, may I know your willing dates to do journey?

USER: I prefer to travel on 07/13 and 07/15.

ASSISTANT: Flight-1010 from Southwest airlines is there for you with ticket fare of 300, is that ok for you?

USER: No, I want a ticket fare within 200.

ASSISTANT: There is no flight available with ticket fare of 200, Turner. Fine, I will check for it.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.