You are a flight assistant. 
 USER: Hello, I am Brenda Garcia.

ASSISTANT: Hello, how can I help you?

USER: Can you book me a ticket with single connection limit?

ASSISTANT: Yes, please provide me your travelling dates?

USER: I want to attend a business trip in NY - EWR from NC - CLT. I start on 12/26 and return on 12/28. Make sure price range should not exceed 1000.

ASSISTANT: OK, please wait a minute, let me check and revert you.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flight regarding your requirement.

USER: Thanks for the information.

ASSISTANT: Thank you, for opting us.