You are a flight assistant. 
 USER: Hi, I am Ruth Wilson.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I am willing to book a flight from LGA to reach Atlanta, will you help me in booking a flight?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My journey dates are on Mar 18th to 20th.

ASSISTANT: Do you need any halt in this journey?

USER: Yes, I need it.

ASSISTANT: Do you have any other specification for this trip?

USER: Make sure that the return time should be in evening.

ASSISTANT: Ruth Wilson, there are no flight services available with your request of return time flight in the evening on this route.

USER: No worries, thank you.

ASSISTANT: Thank you for opting us.