You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: Dorothy Carter here. I want to book a flight ticket from LGA to LAX. Can you help me in that?

ASSISTANT: Sure, let me know your planned journey dates.

USER: My trip dates are Oct 1 to Oct 3.

ASSISTANT: Do you need any halt in between your journey?

USER: I need halt in between journey.

ASSISTANT: Ok,  Is there any other requirements that you are looking for?

USER: My depart should be in evening.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform you that, there were no flights found based on your requested details.

USER: Ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for availing us.