You are a flight assistant. 
 USER: Hi. I am Sandra Carter here.

ASSISTANT: Hello, how can I help you today?

USER: I want to reserve my ticket from ATL to PHX, can you help me to book a flight?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are 12/30 and 01/01.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline: Frontier, flight number: 1001 and price is 100 with one connection.

USER: Proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.