You are a flight assistant. 
 USER: Hi. I am Matthew king.

ASSISTANT: Hello, how can I serve you today?

USER: I want a connecting flight in my journey, can you book a ticket for me?

ASSISTANT: Sure, can you please help me with your airport codes?

USER: I want to attend my convocation at University of Denver, my airport codes are from SEA to DEN.

ASSISTANT: Ok, May I know your journey dates?

USER: My journey dates are from 02/12 to 02/14. Make sure that my price limit should not exceed 1000.

ASSISTANT: Thank you for your information.

USER: Ok.

ASSISTANT: A Flight is found in Hawaiian airline with price 1000. It has single connection. Shall I proceed with it?

USER: I am very comfortable with airline Hawaiian, confirm my ticket.

ASSISTANT: Your ticket is confirmed in flight number 1021.

USER: Thank you for your kind help.