You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Raymond King.

ASSISTANT: How can I aid you?

USER: I want to book a flight ticket on 12/01 and 12/03, so can you help me with booking please?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your airport codes?

USER: Yes, my airport codes are WA-SEA and CA-SFO.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a connecting flight.

ASSISTANT: There is a flight 1027 in Southwest airline and price 100 with a connection. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.