You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Betty Martin, I am planning to visit Seattle for adventure tour with my friend. Can you help me to book a flight on 04/06?

ASSISTANT: Sure, may I know your return date?

USER: I will return on 04/08.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a halt in between the journey.

ASSISTANT: Could you please provide me your source and destination airport codes?

USER: My source point is CO-DEN and my destination is WA-SEA.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a Hawaiian airline, flight number: 1019, price: 200 with one connection.

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.