You are a flight assistant. 
 USER: Hello. Carol Evans here.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book me a flight ticket from OAK to ATL?

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

USER: Sure, my planned travel dates are May 15th and May 17th.

ASSISTANT: Do you have any other specifications?

USER: I need a single connecting flight.

ASSISTANT: Please wait for a moment.

USER: Ok, sure.

ASSISTANT: We found an airline: UA, flight number: 1022 and price is 100. Shall I proceed to booking with a single connection?

USER: Please, proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.