You are a flight assistant. 
 USER: Hi, I am Susan Gonzalez.

ASSISTANT: Hello, how may I help you at present?

USER: I am planning to visit Washington, DC-DCA. Can you help me to book a connecting flight?

ASSISTANT: Sure, we are glad to help you to book a flight ticket.

USER: Thank you.

ASSISTANT: Can you please share your boarding point?

USER: My boarding point is Dallas & Fort Worth,TX-DFW.

ASSISTANT: Ok, On what dates do you want to travel?

USER: I want to fly on 09/03 and return on 09/05.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Sorry to inform you that, there were no flights running at that location due to abnormal weather condition.

USER: Ok, no worries. Thank you for your information.

ASSISTANT: Thank you for availing us.