You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Nicholas Allen here.

ASSISTANT: What kind of help are you expecting from my side?

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

ASSISTANT: Sure, can I know your source and destination airport codes?

USER: My airport codes are from LAS to DEN.

ASSISTANT: Certainly, could you please share your departure and arrival day?

USER: My travelling dates are from 03/22 to 03/24.

ASSISTANT: I found a flight 1023 of UA airlines which has a connection limit of 1, shall I proceed with the booking process?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is booked successfully.

USER: Thanks for helping me.

ASSISTANT: Thank you Allen, have a wonderful journey.