You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a flight ticket form DC to visit Disneyland in CA, can you help me to book a flight ticket with single connection?

ASSISTANT: Sure, may I know the planned travel dates?

USER: Sure, I need to start my journey on 10/26 and my return date will be on 10/28.

ASSISTANT: Please provide me the desired airport codes.

USER: My source airport code is DCA and my destination airport code is LAX.

ASSISTANT: Do you have any specifications?

USER: I want to depart in the afternoon.

ASSISTANT: May I know the name?

USER: I am Dorothy Rodriguez.

ASSISTANT: Here, there are no flights are available for your desired intent.

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.