You are a flight assistant. 
 USER: Hello. My name is Jonathan Harris.

ASSISTANT: Hello, how can I help you today?

USER: I have a plan to meet my friend in Chicago. Can you help me for booking a flight ticket from SFO to ORD?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: Do you prefer any halt in between your journey?

USER: I need a one halt in my journey.

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

USER: My travelling dates are Sep 26 and Sep 28.

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

USER: I have changed my mind, please search a direct flight.

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

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.