You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Jessica Jones want to meet my parents at Washington, can you book a ticket with 1 connection flight?

ASSISTANT: Sure, I am glad to help you out. Please provide me your location points?

USER: Sure, I want to fly from LAS to IAD.

ASSISTANT: May I know your trip dates please?

USER: Sure, my travelling dates will be 05/13 and 05/15.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry Jones, here I didn't find any flight in your route.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.