You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How best I can provide support to you?

USER: I am Sarah Miller, I want to submit my research record at my university in Dallas & Fort Worth, TX - DFW. Can you help me for booking with a connected flight?

ASSISTANT: Sure, I can help you in that. Could you let me know, what are your travelling dates as planned?

USER: My planned dates are 11/04 to 11/06.

ASSISTANT: May I know your boarding point?

USER: I am boarding from Washington, DC - DCA.

ASSISTANT: Sorry Sarah Miller, we could not provide you the flights for your journey, due to runway problem at your destination.

USER: That's Ok, thanks for your help.

ASSISTANT: Thanks for approaching us.