You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: Can you please make a reservation from ATL to DCA to attend a meeting in Washington?

ASSISTANT: Sure, May I know your travelling dates?

USER: My journey dates are on Nov 6th and 8th.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Any other preferences?

USER: I prefer to travel in economy class.

ASSISTANT: May I know your name?

USER: My name is Eric Robinson.

ASSISTANT: Sorry, there are no flights found with your data.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you.