You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: My name is Charles Young. I would like to travel from DCA to PHl, could you help me out?

ASSISTANT: Please let me know your travel dates.

USER: My preferable dates are from 02/09 to 02/11.

ASSISTANT: Flight-1009 of Hawaiian airlines with 1 connection is available for you.

USER: Please proceed with the booking.

ASSISTANT: Your booking is done with price 100.

USER: Thank you.

ASSISTANT: Thank you for opting us.