You are a flight assistant. 
 USER: Hello. My name is Benjamin Harris.

ASSISTANT: Hello. How may I assist you?

USER: I would like to travel from DEN to DEN on a round trip. Can you help me in booking a ticket?

ASSISTANT: Sure, may I know your dates of journey please?

USER: I am planning on dates 05/12 and 05/14.

ASSISTANT: With your details, I got a direct flight with flight number 1012. Do you want to proceed with that?

USER: Please book the ticket.

ASSISTANT: Thank you for your help.