You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: I am planning to have a meeting in Los Angeles. Can you please book me a ticket from DEN to LAX?

ASSISTANT: Sure, can I know your preferable dates?

USER: Ok, I want to travel on 12/03 and back on  12/05.

ASSISTANT: Can I know your name?

USER: Ok, my name is Karen Lewis.

ASSISTANT: I found a flight 1018 of JetBlue airlines matches with your preferences, can I proceed?

USER: Ok, please confirm my ticket.

ASSISTANT: Your ticket is booked. Thank you, have a good day.

USER: Thank you.