You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: I want to go for a round trip to San Francisco CA-SFO. Can you assist me in booking my flight ticket with a connecting flight?

ASSISTANT: Sure, may I know when do you want to travel?

USER: I want to start on 07/04, my return date is on 07/06.

ASSISTANT: How much fare are you expecting?

USER: I can spend up to 1000.

ASSISTANT: May I know your name?

USER: I am Alexander Nelson.

ASSISTANT: AA airline with flight number 1006 is going on your way and the fare is 100. Shall I proceed with this booking?

USER: Please go head with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.