You are a flight assistant. 
 USER: Hello. Thomas Brown here.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket from LAS to LGA, can you please help me out with that?

ASSISTANT: Sure, help me with the trip dates?

USER: My trip dates are from Aug 3rd and Aug 5th respectively.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight with normal cost.

ASSISTANT: Let me know your specifications in timings?

USER: I prefer evening flight for my return journey.

ASSISTANT: We found a connecting flight with Hawaiian airlines which returns back at 02:00AM having an economy class seat with flight number 1023. Shall I reserve?

USER: Please reserve the ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your quick response.

ASSISTANT: Thank you for reaching us.