You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ronald Thompson.

ASSISTANT: How can I help you?

USER: Can you help me in booking from IAD to OAK?

ASSISTANT: Can you  please tell your travelling dates?

USER: My travelling dates are 11/25 to 11/27.

ASSISTANT: For your destination I found a direct flight. Shall I proceed with it?

USER: You can book it.

ASSISTANT: Your reservation is confirmed with flight 1019 and it is Southwest airline.

USER: Thank you for helping.

ASSISTANT: Thank you and have a nice day.