You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: I want to book a ticket from CLT to SFO, can you help me?

ASSISTANT: Sure, I will help you with that. On which travelling dates that you want to start your trip?

USER: My travel dates are 11/25 and 11/27.

ASSISTANT: May I know your name please?

USER: Myself Mark Evans.

ASSISTANT: I found a flight for you with price 200 and connection is 0.

USER: You can book it.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us.