You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: As I am sports player, I am going as a judge to a tournament at Seattle, SEA. Can you help me to book a ticket with the name of Lisa Parker on 04/25?

ASSISTANT: Sure, may I know your planned date of return?

USER: I made a plan to return on 04/27.

ASSISTANT: From where you plan to start your journey?

USER: Oakland, OAK is my source point.

ASSISTANT: Do you need a stopover in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Give me sometime.

USER: Ok.

ASSISTANT: There is a Delta airline with flight number 1020 and price of 100.

USER: Proceed with booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for addressing me.

ASSISTANT: Thank you for choosing us.