You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Donald Evans. I want to attend a business meeting in Charlotte. Can you book a ticket from SFO to CLT?

ASSISTANT: Sure Donald, please provide me your journey dates.

USER: I want to travel on 04/14 and 04/16.

ASSISTANT: Please wait for a minute.

USER: Ok, take your time.

ASSISTANT: Donald, I found a flight from AA airlines available with price 100. Shall I book the ticket for you?

USER: Proceed to booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1017.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.