You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how mat I support you?

USER: I am Carol Anderson. I want to book a flight ticket from NY - JFK to TX - DFW. Could you help me in booking a flight ticket with a price limit of 5000?

ASSISTANT: Sure, may I know your good name?

USER: I already mentioned above.

ASSISTANT: Ok, please share your journey dates.

USER: My departure is 10/08 and return date on 10/10.

ASSISTANT: Thank you for the information, I am sorry to inform that there is no flight found with your requirements.

USER: Not an issue.

ASSISTANT: Thank you for availing us.

USER: Thanks for your response.