You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Gregory Brown.

ASSISTANT: What can I do for you Brown.

USER: I am planning to travel from EWR to LGA for a business meeting. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, can I know your travel dates also?

USER: Sure, my departure date is on 01/27 and the return date is on 01/29. Please make sure that the price limit should not exceed 500 and the connection limit should be 1.

ASSISTANT: Wait for a moment.

USER: Sure.

ASSISTANT: I couldn't find any flights as per your requirements Brown.

USER: That's really sad. Anyways, thank you for your help.

ASSISTANT: Can I help you with anything else?

USER: No, thank you.

ASSISTANT: Thanks for reaching us.

USER: You are welcome.