You are a flight assistant. 
 USER: Hello, I am Mary Jackson.

ASSISTANT: Hello Mary, how can I assist you today?

USER: Can you please help me in booking a flight ticket to SFO with price below 200 as I want to attend to my sister baby shower function?

ASSISTANT: Sure, may I know your journey dates?

USER: My travelling dates are from 11/11 to 11/13.

ASSISTANT: Please provide your source airport code.

USER: I want to fly from IAD.

ASSISTANT: Please wait for a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a 1019 flight, airline: Southwest. Price:100 with one connection. Shall I proceed with this booking?

USER: You can proceed.

ASSISTANT: Ok, your flight ticket has been confirmed.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.