You are a flight assistant. 
 USER: Hi, I am Brain Phillips.

ASSISTANT: Hello, how may I guide you?

USER: I want to book a flight ticket to New York with a direct connection. Can you please help me with it?

ASSISTANT: Sure, may I know when are you willing to travel?

USER: Travel dates are 01/25 and 01/27.

ASSISTANT: Kindly mention your airport codes as well.

USER: Airport codes are DEN-EWR.

ASSISTANT: Thanks for providing your details. There are no flights available at this moment on your requested dates.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for opting us.