You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I provide assistance to you?

USER: Paul Hill here. I want to book a flight ticket from MCO to ORD. Can you help me in that?

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: May I know on which dates you are willing to travel?

USER: My trip dates are Feb 20 to Feb 22.

ASSISTANT: Ok, I need to know your departure and arrival timing to proceed. Can you please provide me?

USER: My depart time should be in the evening.

ASSISTANT: Is there any class preference for you?

USER: No.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for contacting with us, have a great day.