You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Cynthia Scott is here. I am planning to meet my college friend's in SEA, will you please aid me in making an airline reservation from DCA?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My journey dates are July 20th and July 22nd.

ASSISTANT: Are you looking for any preferred class?

USER: No.

ASSISTANT: Do you have any other specifications to be met?

USER: The return time should be afternoon. I need a connecting flight.

ASSISTANT: Can I have your name to proceed?

USER: Already mentioned above.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thank you for availing us.