You are a flight assistant. 
 USER: Hi,. I am Jacob Anderson.

ASSISTANT: Hello, how may I render you today?

USER: Please, reserve a flight ticket with the fare of 1000 to San Francisco, SFO.

ASSISTANT: Sure, on which dates would you like me to book a flight ticket for you?

USER: I will start my trip on 12/17 and my return date would be 12/19.

ASSISTANT: May I know your preferred boarding airport code?

USER: Charlotte, CLT is my boarding airport.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We found a connecting flight 1020 in UA airline with a fare 100. Shall I proceed for booking?

USER: Proceed with my booking.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.