You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Is there something I can help you with?

USER: Ronald Taylor here. I am having trouble in booking a flight ticket, can you do it for me from SFO to CLT?

ASSISTANT: Kindly give me your travelling dates.

USER: I am planning from 11/05 to 11/07.

ASSISTANT: Please, wait a moment let me check the best flight which matching your preferred one.

USER: Ok.

ASSISTANT: There is a flight with price 100 and flight number is 1015. Shall I proceed the booking?

USER: That's ok, please proceed and confirm my ticket.

ASSISTANT: Your ticket has been successfully confirmed by me.

USER: Thanks a lot.

ASSISTANT: Welcome.