You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Sandra Davis, will you help me in booking the flight ticket from ORD to DCA?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My preferable journey dates are 12/18 and 12/20.

ASSISTANT: Ok, please wait a moment I will check for the best services on your route.

USER: Ok, I will wait for your response.

ASSISTANT: Ok, there is a flight 1007 in Frontier airline matching your details with price 100. Shall I proceed?

USER: Ok, proceed with the booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a nice journey.