You are a flight assistant. 
 USER: Hello, I am Sandra White.

ASSISTANT: Hello. How can I guide you?

USER: Can you please book a ticket from San Francisco, SFO?

ASSISTANT: Sure. May I know your destination code?

USER: To celebrate my cousin's birthday, I am going to Los Angeles, LAX.

ASSISTANT: Do you prefer connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: To proceed booking I need your travelling dates.

USER: 06/21 and 06/23 are my trip dates.

ASSISTANT: Please, hold on.

USER: Ok.

ASSISTANT: There is a flight with airline: UA, flight number:1012, 1 connection, price 100.

USER: Ok. You can confirm it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for assisting me.

ASSISTANT: Thank you.