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

ASSISTANT: Hello. How can I assist you?

USER: I am planning to visit Golden Gate Park at San Francisco, could you please help me with booking a flight ticket?

ASSISTANT: Sure, Can I know your travelling dates?

USER: I would like to take off on 09/30 and return on 10/02.

ASSISTANT: May I know your  airport codes?

USER: My nearest source airport code is PHX and destination airport code is SFO.

ASSISTANT: We found a Delta airline, flight number:1002 and the price is 100. Shall I proceed it for booking?

USER: Please proceed with the booking if the connection limit is 1.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.