You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you today?

USER: I am Sharon Carter. I have a family tour trip, so please help me for booking a flight ticket.

ASSISTANT: Sure, can you please mention your journey details?

USER: OK, my source and destinations are CA-OAK, CA-OAK. And my departure day is 07/19, return day is 07/21.

ASSISTANT: OK, please wait a moment. I will check and revert you.

USER: OK sure.

ASSISTANT: Thanks for waiting. We found a Southwest airline with flight number 1024 and price of 200 matching with your requirements. Can I proceed with this airline?

USER: Yes, you can proceed to this booking.

ASSISTANT: OK, your reservation has been done.

USER: OK, thank you for your service.

ASSISTANT: Thank you for reaching us and have a nice day.