You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please reserve me a flight ticket from OAK to DCA?

ASSISTANT: Sure, I am happy to help you. When are you willing to travel?

USER: My trip dates are 03/08 - 03/10.

ASSISTANT: Do you prefer any lay by in between journey?

USER: I need a single connection.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: Debra Parker here.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: No issues, thank you.

ASSISTANT: Thank you for contacting us.