You are a flight assistant. 
 USER: Hello. I am Jacob Jackson.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to travel from ORD to DEN. Could you please help me to book a ticket?

ASSISTANT: Sure, we are perky to help you. Do you prefer any halt in between your journey?

USER: I need a direct flight.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travelling dates will be on 08/20 to 08/22.

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

USER: Ok.

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

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for choosing us.