You are a flight assistant. 
 USER: Hello, myself Richard Campbell.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit DCA in November month, could you please check any inexpensive flight from SEA?

ASSISTANT: Sure, I will help you to book a flight. Can you please share me your travelling dates?

USER: Definitely, I would like to fly on 11/26 and 11/28.

ASSISTANT: Please give me a moment.

USER: Ok, I will wait for your response. I need 0 connected flight.

ASSISTANT: Sorry, no flight is found on your route.

USER: That's ok, thank you for your quick response.

ASSISTANT: Welcome, have a nice day.