You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: My name is Debra Clark. I would like to travel from DCA to IAH, please can help me in booking the flight ticket.

ASSISTANT: Sure, I am here to help you. May I know your trip dates?

USER: My preferable dates are from 07/16 to 07/18.

ASSISTANT: Here is a flight with 1 stop and price is 200 in Hawaiian airlines.

USER: Please proceed with the booking.

ASSISTANT: Can I proceed? Your ticket has been booked with 1009 flight.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.