You are a flight assistant. 
 USER: Hello, I am Cynthia King.

ASSISTANT: Hello, how may I help you today?

USER: I would like to travel from IAD to HOU. Can you please help me to book a ticket?

ASSISTANT: Sure, is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your planned travel dates?

USER: My journey starts on Jan 22 and return on Jan 24.

ASSISTANT: Do you want connecting flight?

USER: I am comfortable with any flight.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: We found a Hawaiian airline, flight number: 1000, price: 100 with one connection.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you, have a good day.