You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brenda Harris here.

ASSISTANT: How can I aid you today?

USER: I want to meet my nephew on his birthday, so please book my ticket from DCA to PHX.

ASSISTANT: Sure, can you please share me your planned trip dates?

USER: My itinerary dates are Jan 1 and Jan 3.

ASSISTANT: Do you have any other preferences?

USER: I need a connecting flight.

ASSISTANT: According to your given information, we found a flight with an airline Spirit of flight 1024 and cost is 100 in an economy class.

USER: Please book my ticket.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for approaching us.