You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Please help me to book a flight ticket from DCA to CLT.

ASSISTANT: Sure, may I know on which dates you are willing to travel?

USER: My journey dates are from June, 30 to July, 02.

ASSISTANT: May I know your class preference?

USER: I do not have any preferences. Please book my ticket.

ASSISTANT: Would you like to take break in between your journey?

USER: No.

ASSISTANT: Hawaiian airline is providing a connecting flight of fare 100 with economy class, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1023.

USER: Thank you for booking.

ASSISTANT: Please mention your name.

USER: Elizabeth Collins.

ASSISTANT: Thank you for reaching us.