You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to go to Washington next week so can you please help me in flight ticket booking process from LAS to DCA?

ASSISTANT: Can you please share your planned travel dates?

USER: Thank you for your response, I want to take off on May 09 and book my return ticket also on May 11.

ASSISTANT: May I know your connection limit?

USER: I want a direct flight so please check with these details.

ASSISTANT: Do you have any specific class preference?

USER: No.

ASSISTANT: Is there any other preference do you have?

USER: No.

ASSISTANT: Please share your name to proceed further.

USER: Sure, my name is Jeffrey Rodriguez.

ASSISTANT: We don't have any direct a flight running between your route.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you.