You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Shirley Roberts.

ASSISTANT: How can I assist you?

USER: Will you please assist me in booking a flight ticket to New York, EWR to visit an arts expo?

ASSISTANT: Sure, I will help you. Can I have your source airport code please?

USER: Houston, IAH is my take off airport code.

ASSISTANT: Please help me with your planned travel dates.

USER: My planned journey dates are 09/26 and 09/28.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Shirley, no flights has been found on your planned journey dates.

USER: It's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.