You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am looking for a flight which depart on morning to LAX. Can you please help me for booking from EWR?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: Sure, my preferred dates are on Sept 23 and 25.

ASSISTANT: Do you have any connection limit?

USER: I need a connected flight.

ASSISTANT: Any more specifications do you have?

USER: I need a flight in normal cost airline.

ASSISTANT: May I know your name please?

USER: Sarah Perez is my name.

ASSISTANT: We regret to inform you that, there are no flights moving to your region with your requested dates of travelling.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us, have a great day.