You are a flight assistant. 
 USER: Hi. I am Kevin Lee.

ASSISTANT: Hello, how may I assist you?

USER: I want to fly from Charlotte, NC-CLT to New York,NY-EWR.

ASSISTANT: Sure, let me know your travelling dates?

USER: OK, My depart date is on 02/17 and  the arrival date is on 02/19.

ASSISTANT: OK, please wait a while I will get back to you.

USER: Make sure that the price limit is 1000 with one connection. Sure.

ASSISTANT: Thanks for being patient, unfortunately we did not find any flights for you.

USER: OK. Thanks for your information.

ASSISTANT: Thank you for reaching out to us.