You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to travel DEN from PHX, can you please help me with this?

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates are Oct 10 and Oct 12.

ASSISTANT: May I know your name?

USER: Samuel Hall here.

ASSISTANT: Do you have any preferences?

USER: I prefer a connecting flight.

ASSISTANT: There is a connecting flight with number 1002 in airline JetBlue, the fare is 200 in economy class. Can I book it?

USER: Ok, book it.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.