You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: Catherine Carter here.

ASSISTANT: Nice to meet you, Carter.

USER: I would like to visit Central Park in New York and also planned to meet my friends there.Can you please help me for booking the flight ticket?

ASSISTANT: That's great, could you please help me with your dates of journey?

USER: My departure date is 06/29 and return date is 07/01.

ASSISTANT: Ok, let me know your source and destination airports codes please?

USER: My airport codes are from DCA to JFK.

ASSISTANT: Ok, please wait for a while.

USER: Make sure my connections limit is 0.

ASSISTANT: Sorry Carter, there is no flight is available as per your request.

USER: So sad.Thank you for the information.

ASSISTANT: Thank you for contacting us.

USER: Have a great day.