You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: Can you please reserve me a flight ticket from DEN to PHL?

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

USER: Thank you, my trip dates are 11/02 - 11/04.

ASSISTANT: Do you have any preferences?

USER: I need a normal - cost airline.

ASSISTANT: May I know your name please?

USER: Joshua Phillips here.

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

USER: Please reserve.

ASSISTANT: Your booking is done with flight number 1014. Happy journey.

USER: Thank you.

ASSISTANT: You are welcome, have a nice day.