You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Alexander Nelson.

ASSISTANT: How may I help you today?

USER: I have a plan to attend a live music concert in San Francisco, can you please help me in booking a flight ticket from DEN to SFO?

ASSISTANT: Sure, I am here to help you in booking. Could you please share your travel dates?

USER: My travelling dates are 03/04 and 03/06.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait.

ASSISTANT: Here, I found a flight for you with 1 connection and fare is 100. Shall I proceed for further?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been booked with flight 1020 and airline is Hawaiian.

USER: Thank you for booking.

ASSISTANT: You are welcome, thank you for reaching us.

USER: Welcome.