You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you help me to book a flight from 01/22 to 01/24.

ASSISTANT: Sure, will you mention your airport codes please?

USER: My airport codes are DFW and LGA.

ASSISTANT: Do you have any preferences about class?

USER: No.

ASSISTANT: Do you have any preferences about flight connections?

USER: I prefer connecting flight.

ASSISTANT: Please mention your name.

USER: my name is Betty Nelson.

ASSISTANT: The Hawaiian airlines providing an economy class flight with price 200 and the connections 1. Shall I confirm your ticket?

USER: Please search for a evening flight for my both depart and return journey.

ASSISTANT: There are no flights found under your preferable details. Thanks for reaching us, have a great day.

USER: No issues, Thank you for your help.