You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I have to book a flight ticket to reach Charlotte, can you please help me to find a flight from SFO to CLT?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Thank you. I want to travel on the dates of Jan 7 and Jan 9.

ASSISTANT: Can I know your name please?

USER: My name is Katherine Perez.

ASSISTANT: Please wait a minute.

USER: Ok, take your time. There is only one preference to me that is I need a direct flight.

ASSISTANT: There is a flight with connection 0 and price 200, can I proceed?

USER: Ok, please go ahead with the ticket booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1002.

USER: Thanks a lot for your help in reserving the ticket.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.