You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Carolyn King, I want to book a ticket from CLT to OAK, will you help me to make a reservation?

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are on Dec 26 and Dec 28.

ASSISTANT: Please provide your specifications.

USER: I want a single connection in between journey.

ASSISTANT: We found a flight with an airline Southwest of flight 1021 and cost is 200 in an economy class.

USER: You can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.