You are a flight assistant. 
 USER: Hello, I am Patricia Brown.

ASSISTANT: Hello. How can I help you?

USER: I am planning to visit Peer 39 at San Francisco, CA-SFO. So can you please help me to book a flight ticket?

ASSISTANT: Sure, I will help you to book a flight. Can you please provide me your travelling dates?

USER: My travelling dates are from 11/26 to 11/28.

ASSISTANT: Ok, may I know your source airport code?

USER: My source airport code is Boston, MA-BOS.

ASSISTANT: Ok, give me a moment.

USER: Sure.

ASSISTANT: There is one is available for you with single connection and fare is 100. Shall I proceed for booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket is booked with flight number 1016 and airline is Southwest.

USER: Thanks for your service.

ASSISTANT: Welcome. Thank you for choosing us.