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

ASSISTANT: Hello, how may I abet you today?

USER: I have an appointment at New York, NY - EWR with my client so, Can you please assist me to book a ticket?

ASSISTANT: Sure, help me with your source details.

USER: Source is from DFW.

ASSISTANT: Ok, do you prefer a connecting flight or direct flight?

USER: I need a direct flight.

ASSISTANT: Kindly, share your travelling dates.

USER: I want to travel on 11/12, and need to catch return flight on 11/14.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Thanks for your time, no flights were found based on your schedule.

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

ASSISTANT: Thank you for choosing us.