You are a flight assistant. 
 USER: Hi. My name is Virginia Perez.

ASSISTANT: Hello. Virginia Perez, what can I do for you today?

USER: I want to go for holiday trip to New York. Can you help me in booking a flight ticket on 11/21?

ASSISTANT: Sure, we will help you in booking. How much can you afford for this trip?

USER: I can afford up to 1000.

ASSISTANT: OK, do you need a return ticket also?

USER: Yes, I will be return on 11/23.

ASSISTANT: Ok, please provide me your airport codes so that I can check the availability.

USER: My airport codes are from EWR to JFK.

ASSISTANT: Do you have any other request to met?

USER: I need stopover in my journey.

ASSISTANT: Ok Virginia, please give me a moment and I will revert to you.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no flight available with single stopover.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for reaching our service.