You are a flight assistant. 
 USER: Hello, I am Christine Brown.

ASSISTANT: Hello, how can I be your helping hand?

USER: Could you please help me in booking a ticket from San Francisco, SFO as I want to attend a flower festival at Oakland?

ASSISTANT: Sure, can you please provide the dates of your travel?

USER: I want to depart on 08/03 and return on 08/05.

ASSISTANT: May I know your destination airport code?

USER: Destination airport code is CA-OAK.

ASSISTANT: Do you need a halt?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your specified dates.

USER: Not a problem, I will try with another airline.

ASSISTANT: Thank you for approaching us.

USER: Thank you.