You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to book a economy class flight ticket?

ASSISTANT: Sure,  I will help you. May I know your take off and landing airport codes?

USER: Thank you. My airport codes are JFK and LAS.

ASSISTANT: Your good name please?

USER: My name is Brenda Turner.

ASSISTANT: Can I have your journey dates?

USER: My preferable journey dates are Apr 25 and Apr 27.

ASSISTANT: Let me know your class preference.

USER: I have already mentioned above.

ASSISTANT: Do you have any other specifications?

USER: I prefer connecting flight ticket.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we found  a direct flight of Delta airline available with fare 100 in economy class. Shall I confirm it?

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

ASSISTANT: Your ticket has been reserved with flight number 1008.

USER: Thank you.

ASSISTANT: Thank you for opting us.