You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I need to book a flight ticket from LGA to DFW, can you help me in booking a flight ticket?

ASSISTANT: Sure, I am happy to assist you in booking. Could you please share your planned travelling dates to proceed further?

USER: Sure, my journey dates are Apr 19 and Apr 21.

ASSISTANT: Kindly share your name please.

USER: Sure, Betty Lee here.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I prefer maximum one connection.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: No.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by Hawaiian airline with the flight number-1011 and the fare 100, shall I book the connecting flight?

USER: Yes, you can.

ASSISTANT: Your flight booking is confirmed and ticket has been emailed.

USER: Thank you for your assistance.

ASSISTANT: It's pleasure to serve you.