You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: I need a flight ticket from EWR to LGA location to attend a robotics meeting, can you please assist me with flight ticket booking?

ASSISTANT: Sure, on which dates would you like to travel?

USER: Thank you and my planned travel dates are Aug 19 and I will catch the return flight on Aug 21.

ASSISTANT: Ok, please share your connection limit.

USER: I need a direct flight for my journey.

ASSISTANT: Ok, may I know your airline preference?

USER: I am ok with any airline.

ASSISTANT: Ok, at what time would you like to return and depart?

USER: I would like to arrive back in the afternoon time.

ASSISTANT: May I know your good name please?

USER: My name is Jacob Baker.

ASSISTANT: There are no flights found on your requested dates.

USER: Sad to hear that one from your end, anyway thank you for your quick search and providing the information.

ASSISTANT: Thank you for reaching us.

USER: Welcome.