You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Samantha Thomas here.

ASSISTANT: How may I assist you today?

USER: For my examination, I want to go Washington from Chicago. Can you book my ticket?

ASSISTANT: Sure, may I know your travel details?

USER: My trip dates are from 06/06 to 06/08. Chicago's airport code is ORD and Washington's airport code is DCA.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Based on your request, there is a flight with airline Delta. Can I make a reservation?

USER: That's great. Yes, you can proceed.

ASSISTANT: Your ticket has been booked with flight number 1011 and price is 100.

USER: Thank you for helping me.

ASSISTANT: Thanks for contacting us.