You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Could you please book a flight ticket from EWR to DEN?

ASSISTANT: Can I have your journey dates?

USER: My journey dates are Dec 26 and Dec 28.

ASSISTANT: Do you need any connection limit?

USER: I need a connecting flight.

ASSISTANT: Are there any other specifications to be met?

USER: I prefer an economy class.

ASSISTANT: May I know your name?

USER: I am Gregory Hill.

ASSISTANT: We found a connecting flight in Hawaiian Airlines with a fare of 200 which departs at 4:00 and return at 18:00. Shall I proceed for booking?

USER: Ok, proceed.

ASSISTANT: Your ticket is confirmed in flight 1006.

USER: Thank you.

ASSISTANT: Thank you for opting us.