You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Stephen Young.

ASSISTANT: Young, how may I aid you?

USER: I would like to book a flight ticket from DEN to DFW to meet my friend. Can you help me to book a flight ticket?

ASSISTANT: Sure, I am here to help you. Please share your itinerary dates.

USER: My travelling dates are 02/18 and 02/20.

ASSISTANT: Please give me a moment to check for available flights.

USER: Sure, I will wait for your response.

ASSISTANT: Hawaiian airlines with flight 1015 is available on your route with a connecting flight.

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is confirmed, have a safe and happy journey.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.