You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you today?

USER: This is Jacob Green, can you help me to book a flight ticket from DCA to SEA?

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

USER: Thank you.

ASSISTANT: In which class would you like me to book your flight ticket?

USER: I am comfortable with any class.

ASSISTANT: Let me know your connection limit.

USER: My connection limit is 1.

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

USER: My preferable journey dates are Oct 16 and Oct 18.

ASSISTANT: Do you have any other requirements?

USER: I would like to return back in the morning time.

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: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.