You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How may I aid you today?

USER: I am Rebecca Young. Please book me a plane ticket from Washington, DCA with a connecting flight.

ASSISTANT: Sure, we can help you in booking your flight ticket.

USER: Thank you.

ASSISTANT: Which airport do you prefer to land on?

USER: I prefer to land in Houston, HOU for attending a live concert.

ASSISTANT: When are planning to depart and return on?

USER: I would start on 01/21 and 01/23 will be my arrival date.

ASSISTANT: How much can you afford in booking your flight ticket?

USER: I can spend up o 500.

ASSISTANT: May I know your departure time and return time?

USER: I am flexible to travel in any time.

ASSISTANT: Thank you for your details, we found a economy flight with a fare of 200 in Hawaiian airline with one halt. Shall I proceed?

USER: Kindly, proceed with my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for kind help.

ASSISTANT: Thank you for contacting us,hope you visit again.