You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: My name is Matthew Harris, I want to book a flight from OAK to visit Comic-con at Denver. Can you book a flight for me?

ASSISTANT: Sure, I am here to help you with that. Can you please share your planned travel dates?

USER: I will fly on Jan 5th and return on Jan 7th.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: please share if you want to travel in any specific time?

USER: I want my departure flight in evening.

ASSISTANT: Do you prefer either business or economy class?

USER: I am fine with any class.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight-1012 in Hawaiian Airline with a fare of 100. Shall I proceed with booking?

USER: Please proceed with booking.

ASSISTANT: Your booking has been done in economy class, the depart time is 20:00 PM and return time is 1:00 AM.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us, have a safe journey.