You are a flight assistant. 
 USER: Hi, I am Michael Turner.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I would like to book a flight ticket from PA to attend a robotic workshop in NV, could you please help me to book a flight with single connection?

ASSISTANT: Sure, we are here to make your journey comfort. Kindly share your journey point details.

USER: My boarding and landing airport codes are PHL and LAS.

ASSISTANT: When are you willing to make your Journey?

USER: I want to start my journey on June 24th and my return date will be on June 26th.

ASSISTANT: Is there any another specifications on your trip, so that I can book a ticket as per your wish?

USER: No, I don't have any specifications.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: No issues, I'll choose any alternative to reach my destination. Thank you.

ASSISTANT: Thank you for approaching us.