You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Lisa Parker here.

ASSISTANT: How may I aid you the best today?

USER: I want to attend a Marriage in Las Vegas. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, when did you planned to travel?

USER: My travelling dates are 07/31 and 08/02.

ASSISTANT: May I know your airport codes that you wish to board and land?

USER: My airport codes are SEA and LAS.

ASSISTANT: Do you have any other requirements for this trip?

USER: I would prefer single halt.

ASSISTANT: There is a flight in an airline Hawaiian with 1011 number having a single connection price of 100. Shall I proceed to book?

USER: Ok, you can proceed.

ASSISTANT: Your flight ticket has been booked in an economy class.

USER: Thank you for your services.

ASSISTANT: Thank you for opting us. Have a safe flight.