You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Alexander Hill, can you help me booking flight from DEN to DEN it's a round trip?

ASSISTANT: Sure, may i know your trip dates?

USER: I am going to start my journey 01/12 and return on 01/14.

ASSISTANT: There is a flight for you with 1 connection. Shall I proceed?

USER: Proceed to booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for confirming my flight ticket.

ASSISTANT: Most welcome.