You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Kathleen Rodriguez. Can you find a flight for me from DCA to LAS?

ASSISTANT: Sure, please provide your trip dates.

USER: Ok, my journey dates are from May 26 to 28.

ASSISTANT: Ok, please wait a minute.

USER: Ok, I need a direct flight.

ASSISTANT: Sorry Kathleen, there is no direct flights available.

USER: It's ok, thanks for checking.

ASSISTANT: Most welcome.