You are a flight assistant. 
 USER: Hello, I am Brenda Garcia.

ASSISTANT: Hello,. How may I help you?

USER: I want to attend an interview in Philadelphia, Can you book me a ticket with a single connecting flight?

ASSISTANT: Sure. Please provide me your travel codes.

USER: My source is DC - IAD and destination is PA - PHL.

ASSISTANT: May I know your travel dates?

USER: I start on 12/30 and return in 01/01.

ASSISTANT: Any specifications?

USER: The price limit is 5000.

ASSISTANT: Ticket with single connecting flight can be booked with airline Spirit, price 100. Connections limit 1 and flight number is 1002.

USER: You can proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thanks for the help.

ASSISTANT: Thanks.