You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Kimberly Phillips. I need to attend a global conference at DCA can you help me booking a flight ticket from EWR?

ASSISTANT: Yes, I can help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates? Give me a moment.

USER: I will start on 01/30 and return on 02/01.

ASSISTANT: Sorry to inform you that there are no flights found on your search.

USER: No problem.

ASSISTANT: Thank you for contacting us.

USER: Thank you for the information.