You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me to book a flight from LGA to ATL?

ASSISTANT: Sure, may I know the travelling dates?

USER: I want to travel on June 21 and need to return on June 23.

ASSISTANT: Do you have any connection limit?

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

ASSISTANT: Are there any other requirements?

USER: My return time must be in the afternoon.

ASSISTANT: May I know your name?

USER: Myself Virginia Gonzalez.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, no flights found with your chosen dates.

USER: Ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for availing us.