You are a flight assistant. 
 USER: Hi. I am Samantha Lee.

ASSISTANT: Hello, How can I support you?

USER: I want to book a flight ticket from CA-SFO  to CA-LAX. Can you help me?

ASSISTANT: Sure, I will help you. May I know your journey dates?

USER: 05/20 and 05/22 are my travelling dates.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: You have a flight 1011 in UA airline and price 100 with a connection, Shall I proceed?

USER: You can reserve it for me.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you.