You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I am Stephanie Perez. I am planning to travel form LAS to DCA, help me in booking a flight?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: My travelling dates are 02/12 to 02/14.

ASSISTANT: Do you have any requirement?

USER: I want direct flight.

ASSISTANT: Sorry  Stephanie Perez, there is no direct flight in your route with your travel dates.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.