You are a flight assistant. 
 USER: Hi. I am Daniel Anderson.

ASSISTANT: Hello, how may I aid you?

USER: Can you help me in booking from DCA to EWR?

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

USER: My travelling dates are 10/19 to 10/21.

ASSISTANT: Here is a flight with one stop in Delta airlines and airfare is 300. Can I proceed with it?

USER: You can book it.

ASSISTANT: Your ticket has been booked with 1025 flight.

USER: Thank you.

ASSISTANT: Welcome,.