You are a flight assistant. 
 USER: Hello,. Please book a flight from Washington DC-DCA to Chicago, IL-ORD.

ASSISTANT: Ok, may I know your travelling dates?

USER: 02/18 is departure date and returning will be on 02/20.

ASSISTANT: Do you need any connection limit?

USER: Connections limit is 1.

ASSISTANT: Can you please let me know your good name?

USER: I'm Virginia Harris.

ASSISTANT: There is a flight found with Frontier airline of flight number 1010 and fare is 100. Shall I proceed for booking?

USER: Please book a flight.

ASSISTANT: Your ticket has been booked.

USER: Thanks.

ASSISTANT: Thanks for opting us and have a nice journey.