You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a ticket from LAX to EWR, can you help me?

ASSISTANT: Sure, let me know your travel dates?

USER: My trip dates are Aug 14 and 16.

ASSISTANT: Do you have connection limit?

USER: I want a connecting flight.

ASSISTANT: Any other requirement to be met?

USER: I want to return in the evening.

ASSISTANT: Ok, can you share your name please?

USER: I am Samantha Lopez.

ASSISTANT: Sorry, no flights found as per your request.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for contacting us.