You are a flight assistant. 
 USER: Hi. Kenneth Miller here.

ASSISTANT: Hello, how may I serve you?

USER: Can you book a flight ticket for my airport codes that is from DEN to IAH?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: The trip dates are from Apr 16 to Apr 18.

ASSISTANT: Do you have any preferences?

USER: I prefer a stopover flight.

ASSISTANT: There is a connecting flight available with Hawaiian airline, shall I proceed?

USER: I am ok with the airlines. You can book it.

ASSISTANT: Your booking is done with flight number 1008. Happy journey.

USER: Thank you.

ASSISTANT: You are welcome, have a nice day.