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

ASSISTANT: Hello, how may I assist you today?

USER: As I am a scientist, I want to attend science festival with my students at EWR. Can you help me in booking from LAX?

ASSISTANT: Sure, let me know your travelling dates?

USER: My trip dates are Jan 21 to Jan 23.

ASSISTANT: Do you prefer direct flight  or connecting flight?

USER: I need a direct flight which return in morning.

ASSISTANT: May I know your depart and arrival timings?

USER: I have mentioned above.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flight found on your journey routes.

USER: No issue, thank you.

ASSISTANT: Thank you for reaching us.