You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I oblige you today?

USER: Please book me a ticket from IAD to JFK to meet my family.

ASSISTANT: Can I know your trip dates?

USER: I have planned to travel on Dec 19th and return on Dec 21st.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I like connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I know your good name?

USER: Myself Elizabeth Anderson.

ASSISTANT: Thank you for your details, we found a connecting flight 1017 in class economy which is in Hawaiian airlines. Shall I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you so much.

ASSISTANT: Thank you.