You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Kathleen Garcia. I need to book a ticket to meet my elder sister and his husband on there 1st marriage day.

ASSISTANT: Ok.

USER: Could you please help me in booking a ticket from LAS?

ASSISTANT: Sure, I am happy to help you. When do you want to travel your trip?

USER: My travelling dates are 04/27 and return on 04/29.

ASSISTANT: Can I know your landing airport code?

USER: Sure, my landing point is SFO.

ASSISTANT: Do you need lay by in between your journey?

USER: I need a stopover to complete my journey.

ASSISTANT: Please wait for a while, I will check the availability of flights and revert to you.

USER: Ok.

ASSISTANT: Thank you for being patience, there is a flight available with SouthWest airline, flight number 1001 with fare 200 and a lay by. Shall I proceed to reserve?

USER: You can proceed with booking.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.