You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket from New York to visit Disneyland in Los Angeles, can you help me to book a flight ticket with single connection?

ASSISTANT: Ok, when are you planning to visit Los Angeles and return back?

USER: I would like to depart on May 27th and my return date will be on May 29th.

ASSISTANT: May I know your name please?

USER: I am Sandra Green.

ASSISTANT: May I know, In which airport your planning your depart from?

USER: My boarding and landing points are EWR and LAX.

ASSISTANT: Do you have any requirements?

USER: I need a economy class ticket and my return time should be in the afternoon.

ASSISTANT: Sorry to disappoint you, there are no flights available for your journey.

USER: No issues, I'll choose any alternative.

ASSISTANT: Thank you for reaching our services.

USER: Thank you.

ASSISTANT: Welcome.