You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: Can you please assist me in making an airline reservation from EWR to LGA?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My planned dates are June 8th and June 10th.

ASSISTANT: Do you have any preferences?

USER: Make sure that my depart time must be evening.

ASSISTANT: May I know your name please?

USER: Daniel Miller.

ASSISTANT: Sorry, there is no flight available with your requirements.

USER: Ok, no problem. Thank you.

ASSISTANT: You are welcome, have a nice day.