You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Anthony Moore. I planned to attend for a meeting in IAH, can you please help me to book a flight ticket from EWR?

ASSISTANT: Sure, can you please tell your travelling dates?

USER: I planned to travel on 05/28 and 05/30.

ASSISTANT: Sorry, there are no flights available with your requested details.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank you and have a nice day.