You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Yes, I need your assistance in book a flight ticket for my mother who is in Washington, can you help me?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Ok, the depart date which is planned is 12/18 and return is 12/20.

ASSISTANT: Here is a flight with 1 stop and price is 100 in Spirit airlines. Can I proceed with it. As per your dates this is the intent I got.

USER: Ok, the nearest origin airport code is DCA and destination code is LGA. Please check if the flight is available at these locations.

ASSISTANT: Sure, please wait for a while. The same intent is matching for both your dates and location airport codes too. Can I proceed with it.

USER: Ok, then book the ticket on the name Deborah Anderson.

ASSISTANT: Your ticket has been booked with 1002 flight.