You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Could you please book a flight ticket to San Francisco as I want to attend a pioneer festival?

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are Mar 18 and Mar 20.

ASSISTANT: Can I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: May I know your name please?

USER: My name is Patricia Parker.

ASSISTANT: Can I know your travelling airport codes?

USER: I am heading to SFO from LGA.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Here is a connecting flight with fare 200 and 1019 as flight number in Southwest Airline. Shall I proceed with booking?

USER: Yes, proceed.

ASSISTANT: Your ticket is confirmed in economy class.

USER: Thank you for the help.

ASSISTANT: Most welcome.