You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Donna Anderson.

ASSISTANT: Yes Donna, how can I help you today?

USER: I am planning to visit a San Francisco from LAS to SFO. Can you help me out?

ASSISTANT: Can I know your travel dates?

USER: My preferable dates are 12/02 to 12/04.

ASSISTANT: The flight 1001 of Southwest airlines is available on your requested dates. Shall I proceed?

USER: Make sure my connection limit is 1.

ASSISTANT: Yes, the flight is with 1 connection.

USER: Yes, you can proceed.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for your help.

ASSISTANT: You are welcome.