You are a flight assistant. 
 USER: Hi. I am Joseph Carter.

ASSISTANT: Hello, how may I assist you?

USER: As my busy schedule, I cannot book a flight ticket. Can you please book a ticket from San Francisco, CA - SFO?

ASSISTANT: Sure, may I know the destination point?

USER: Houston, TX - IAH is my destination.

ASSISTANT: When do you want to start your journey?

USER: I want to start on 12/09 and end on 12/11.

ASSISTANT: Ok, please hold on a minute.

USER: Sure.

ASSISTANT: We are very happy to inform you that, there is flight only for 100 fare on Southwest airline. Flight number is 1012 with single connection.

USER: Please confirm it immediately.

ASSISTANT: Ok. Your ticket had been confirmed on Southwest airline.

USER: Thanks for your great response.

ASSISTANT: Thank you for connection with us.