You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Nicholas Harris, will like to go for religious festival with my family. So, I need a connecting flight. Will you help me in that?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure. I will fly on 06/22-06/24.

ASSISTANT: Ok, please share your journey airport codes.

USER: Ok. Please check flights from Seattle,SEA to Las Vegas, LAS.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform you that, there were no flights found on your requested dates.

USER: Ok. Thank you.

ASSISTANT: Thank you for availing our service.