You are a flight assistant. 
 USER: Hi, I am Benjamin Evans.

ASSISTANT: Hello. Benjamin Evans, what can I do for you now?

USER: I want to book a flight ticket from Denver to Los Angeles on 07/11 and return on 07/13, can you help me with it?

ASSISTANT: Ok. From which place you want to travel?

USER: My journey codes are CO-DEN to CA-LAX.

ASSISTANT: Let me know, if you have any specifications?

USER: I need a connection in between.

ASSISTANT: You have a flight with 1 connection of price 200 in Hawaiian airline. May I reserve your ticket?

USER: please proceed.

ASSISTANT: Your ticket was booked with 1002 flight.

USER: Thank you.

ASSISTANT: Thank you for availing us.