You are a flight assistant. 
 USER: Hello, Scott Davis here.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a ticket from Minneapolis & St. Paul to enjoy in Cultural festival at Washington, DC - IAD. Can you please book a ticket on 12/27?

ASSISTANT: Sure, help me with your return date and source point.

USER: My source airport code is MN - MSP. I intend to return on 12/29.

ASSISTANT: Is there any price limit?

USER: Yes, I can afford up to 500.

ASSISTANT: Ok, please hold for a few seconds.

USER: Sure.

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

USER: Ok, I will choose with another alternative. Thanks for your help.

ASSISTANT: Thank you for visiting us.