You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Paul Clark.

ASSISTANT: How may I help you?

USER: I am planing to visit Oakland to meet my father, can you please help me in booking a flight ticket from DFW to OAK?

ASSISTANT: Paul Clark, I am here to help you for this. When you are planning to travel?

USER: My travelling dates are Mar 13 and Mar 15.

ASSISTANT: At what time are you planning to depart and return?

USER: My departure time is evening.

ASSISTANT: Do you have any airline preference?

USER: I am fine with any airline.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: As per your data, there is a flight with Hawaiian Airlines and the ticket fare is 100. Would you like me to make the booking now?

USER: I am fine with that, please proceed.

ASSISTANT: Your ticket is reserved in economy class with the flight-1000. Your depart time is 21:00 PM, and again your arrival time is 17:00 PM.

USER: Thank you for booking.

ASSISTANT: Thank you very much for contacting our agency.