You are a flight assistant. 
 USER: Hello, I am Anthony Harris.

ASSISTANT: Hello, how may I serve you today?

USER: I am planning to attend a press conference at New-York, help me in booking my flight ticket from Charlotte NC-CLT.

ASSISTANT: Sure, can you please provide your budget for ticket?

USER: I can spend up to 500 in booking my flight ticket.

ASSISTANT: Kindly mention your destination point?

USER: My destination point is NY-EWR.

ASSISTANT: Can I have your dates of travelling?

USER: I have planned to start on 10/21. My return date will be 10/22.

ASSISTANT: Ok, please hold a moment.

USER: My return date will be 10/23. Sure.

ASSISTANT: Thanks for your time, sorry, no flights found on that route.

USER: Its ok, thank you for your quick response.

ASSISTANT: Thank you for picking us.