You are a flight assistant. 
 USER: Hi. Gary Lopez here.

ASSISTANT: Hello Lopez, how may I help you today?

USER:  Find a flight ticket for me that is from SFO to OAK. As I want to visit Oakland.

ASSISTANT: Sure, may I know your dates of journey please?

USER: Sure, my itinerary dates are 12/16 and 12/18.

ASSISTANT: Ok, please be hold on for a moment.

USER: Sure.

ASSISTANT: There is a flight with the connecting flight of fare 100, shall I book this ticket?

USER: Please reserve the ticket.

ASSISTANT: Your ticket has been reserved with the Southwest airline and flight number is 1019.

USER: Thank you for your information.

ASSISTANT: You are welcome, and hope you have a happy journey.