You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me to book  a flight ticket from DEN to SEA?

ASSISTANT: Sure, let me know your travel dates?

USER: My travel dates are Dec 30 and Jan 01.

ASSISTANT: Do you have any connection limit?

USER: I prefer connecting flight.

ASSISTANT: Is there any other specifications?

USER: I prefer major cost airline.

ASSISTANT: May I know your good name?

USER: I am Gary Allen.

ASSISTANT: We found a Hawaiian airline with flight number 1027 and fare 100 and class is economy. Shall I proceed?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.