You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: George King here. I want to attend my convocation ceremony, please book my ticket from ORD to IAH.

ASSISTANT: Sure, when do you want to travel?

USER: My itinerary dates are Dec 15 and Dec 17.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: We found a flight in an airline Spirit with 1009 number having a single connection price of 100. Shall I reserve it for you?

USER: Please confirm my ticket.

ASSISTANT: Your flight ticket has been reserved in an economy class.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.