You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I want to attend a seminar on spirituality, so please book my ticket from DEN to MSP.

ASSISTANT: Sure, when are you willing to travel?

USER: My itinerary dates are Aug 11 and Aug 13.

ASSISTANT: OK, may I know your name please?

USER: Alexander Robinson here.

ASSISTANT: Do you have any preferences for the journey?

USER: I am looking for a connecting flight.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Spirit Airlines has a connecting flight with number 1007 for fare 100, shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for assisting me.

ASSISTANT: Thank you for opting us.