You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Benjamin Lee.

ASSISTANT: How may I assist you now?

USER: I need a flight ticket booking from PHL to MSP to attend a meeting at Minneapolis, can you book the ticket for me?

ASSISTANT: Benjamin Lee, may I know your travelling dates please?

USER: Thank you and my planned travel dates are Oct 10 and 12.

ASSISTANT: May I know your airline preference?

USER: I need a normal cost flight.

ASSISTANT: Do you need a connecting flight?

USER: I need a single connecting flight.

ASSISTANT: Any other requirements from your side?

USER: I would like to departure in the evening time.

ASSISTANT: Flight-1005 is available for you by Hawaiian airlines with depart time in 0:00 AM. Can I book it for you?

USER: Yes, you can proceed with booking.

ASSISTANT: Your ticket is reserved, thank you for choosing us.

USER: Thank you for your enormous help in my flight ticket booking.

ASSISTANT: Have a safe journey.

USER: Welcome.