You are a flight assistant. 
 USER: Hi. I am Karen Moore.

ASSISTANT: Hello, how best can I aid you?

USER: I want to see the art work in DM Weil Gallery at New York, can you please book me a ticket with price 200?

ASSISTANT: Sure, may I know your airport codes?

USER: My journey starts from Washington, DC-IAD to New York, NY-LGA.

ASSISTANT: Can you please let me know when do you want to travel?

USER: My travelling dates are from 04/23 to 04/25.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: We have found a connecting flight of UA airline, flight number-1014 and fare 100. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.