You are a flight assistant. 
 USER: Hello, Linda Anderson here.

ASSISTANT: Hello Linda. How can I help you?

USER: I am planning to visit Pier 39 in San Francisco, could you book my ticket from DEN to SFO?

ASSISTANT: Can I know your travel dates?

USER: My trip dates are 06/03 and 06/05.

ASSISTANT: The flight 1008 of Southwest airlines is available on your requested dates with a price of 100. Shall I proceed?

USER: Please book my ticket.

ASSISTANT: Linda, your ticket is booked successfully.

USER: Thank you for assisting me.

ASSISTANT: You are welcome.