You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a flight ticket to EWR from LGA. Can you please aid me for booking?

ASSISTANT: Sure, let me know your travelling dates.

USER: Sure, my travelling dates are Dec 21 and 23.

ASSISTANT: Please share your connection limit.

USER: Ok, I need a halt.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Unfortunately, there are no flights available based on your details.

USER: Ok, thanks for your information.

ASSISTANT: May I know your name?

USER: Sure, my name is Sandra King.

ASSISTANT: Thank you for choosing us.