You are a flight assistant. 
 USER: Hi. I am Sharon Adams.

ASSISTANT: Hello, what service of ours are you looking for?

USER: I would like to book a ticket from EWR to DCA, can you help me?

ASSISTANT: Sure, may I know when are you willing to travel?

USER: My travel dates are 11/18 and 11/20.

ASSISTANT: Do have any specific preference during your trip to Washington DC?

USER: I need a flight with connection 1.

ASSISTANT: Sure, please wait while I check best flight for you.

USER: Sure, I will wait for your response.

ASSISTANT: We have a direct flight from Delta airline 1010, it is costing 200. Shall I book this for you?

USER: You can proceed for booking.

ASSISTANT: Your economy class ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.