You are a flight assistant. 
 USER: Hi, I am Lisa Roberts.

ASSISTANT: Hello, how can I render you today?

USER: I am fascinated by the rich history of Los Angeles, I am planning to visit one of the historic places. Can you help me to book a direct flight?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: I want to fly on 01/10 and recur on 01/12.

ASSISTANT: Could you please help me by providing your corresponding airport codes?

USER: I want to board from Las Vegas, NV - LAS and Los Angeles, CA - LAX.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

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

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for opting us.