You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Andrew Hernandez.

ASSISTANT: How can I aid you?

USER: Please help me in booking a ticket from LAX to OAK.

ASSISTANT: Sure, May I know your travelling dates?

USER: I want to start my journey on July 30th and intend to return on Aug 1st.

ASSISTANT: Do you have any preferences?

USER: I want a stopover in between my journey.

ASSISTANT: You have a flight 1004 in Delta airline and price 200 with a connection, Shall I proceed?

USER: Yes, you can proceed to book.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you.