You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Catherine Allen here.

ASSISTANT: How can I help you?

USER: I am planning to visit Las Vegas to meet my sister, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: My trip dates are from 10/16 till 10/18.

ASSISTANT: Ok, may I know your airport codes?

USER: These are my airport codes are DEN and LAS.

ASSISTANT: Ok, give me a moment. There is one flight is available for you with single connection.

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1001 and airline is Hawaiian.

USER: Thank you for booking.

ASSISTANT: Welcome. Have a safe a flight.