You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I aid you at this moment?

USER: I want to go for IAD from PHL, can you please help me?

ASSISTANT: Yes, I am here to help you. Can you please help me by providing your dates of journey?

USER: My travel dates are 02/14 and 02/16.

ASSISTANT: Please, provide your name.

USER: Myself Laura Williams and can you please search for direct flight?

ASSISTANT: Sorry Laura, there is no direct flight to your preferable destination.

USER: Ok, fine. Thank you for informing me.

ASSISTANT: Most welcome.