You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to travel from CA - OAK to CA - SFO. Can you help me out of it?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 09/19 and 09/21.

ASSISTANT: Yes, I found a flight-1003 with UA airlines, can I proceed?

USER: Please book it for me I am Ok with the details.

ASSISTANT: Sure, may I know your name?

USER: I'm Gary Anderson.

ASSISTANT: Yes, your booking is confirmed.

USER: Thank you for the service.

ASSISTANT: Thank you for contacting us.