You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I asssist you?

USER: Please book a ticket from SFO to CLT to meet my sister.

ASSISTANT: Sure, may I know your trip dates?

USER: My travelling dates are Nov 9 and Nov 11.

ASSISTANT: Do you need any connections between your trip?

USER: I want single connection.

ASSISTANT: Do you need any other requirements?

USER: I prefer economy class.

ASSISTANT: May I know your name?

USER: I am Patrick Roberts.

ASSISTANT: There is a flight available for the mentioned and also which match your needs, Southwest Airlines is having a connecting flight with 1009 flight number and airfare is 100. Are you comfortable with this flight?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked successfully.

USER: Thank you.

ASSISTANT: Thank you for opting us.