You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Laura Evans, I need a flight to visit my grand father house on 06/29 and return on 01/07.

ASSISTANT: Sure, may I know your airport codes?

USER: My return date is 07/01. I will fly from TX-DFW to NY-JFK. I need a flight with single connection.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flights found on your requirements.

USER: Ok, thanks for the information.

ASSISTANT: Thank you have a nice day.