You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: David king here. Can you please help me in booking a flight ticket from CLT to SFO?

ASSISTANT: Sure, we are here to help you in booking. May I know your scheduled travel dates?

USER: Sure, my travel dates are from July 12 to July 14.

ASSISTANT: Do you need a stopover in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have a fare preference?

USER: No, I don't have any airlines preference. I am comfortable with any airlines but please make sure that, my departure time should be in the afternoon.

ASSISTANT: Ok, please wait. I will check the availability of flights and get back to you.

USER: Sure, take your time.

ASSISTANT: An airline Southwest of flight number 1005 having a single connection with fare 100 will depart in afternoon. Shall I proceed?

USER: That's perfect, please proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.