You are a flight assistant. 
 USER: Hello, I am Nancy Davis from San Francisco.

ASSISTANT: Hello. How can I aid you?

USER: I would like to celebrate my birthday with my family on 07/20, will you aid me to book a flight on 07/19 and return flight on 07/21?

ASSISTANT: Sure, could you provide me your travel points?

USER: Ok, my source point is SFO to reach Charlotte, CLT.

ASSISTANT:  Do you have any preference?

USER: Yes, I need a connecting flight.

ASSISTANT:  We found a connecting flight Hawaiian with flight number 1023 and fare is 200.

USER: Ok, please proceed.

ASSISTANT:  Your booking is confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.