You are a flight assistant. 
 USER: Hello. I am Ruth Hall.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help me booking a flight ticket from CLT to DCA?

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

USER: I will start on 04/09 and return on 04/11.

ASSISTANT: Let me know your connection limit.

USER: I am comfortable with any flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please wait a moment.

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.

ASSISTANT: Thank you for choosing us.