You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please book the ticket from SFO to CLT? As I'm planning to visit Charlotte.

ASSISTANT: Sure, when are you willing to travel?

USER: My planned departure and return travel dates are 20th and 22nd of August.

ASSISTANT: May I know your good name please?

USER: My name is Patrick Thompson.

ASSISTANT: Do you have any other preferences?

USER: Yes, I prefer single connected flight.

ASSISTANT: We found an airline: Frontier, flight number: 1008 and price is 100 with one connection. Shall I proceed to book?

USER: That's ok, you can proceed for booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.