You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you help me to book a flight ticket from EWR to LAS?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 18 and 20 of May.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am ok with any class.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart in the evening with a connecting flight.

ASSISTANT: Hawaiian Airlines are having a flight-1015 with single connection limit and the ticket price is 100. Would you like to book this ticket?

USER: Please proceed to booking.

ASSISTANT: May I know your name please?

USER: I am Jerry Martin.

ASSISTANT: your booking is confirmed successfully in economy class, the depart time is evening and  return time is morning.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us, have  a safe journey.