You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sarah Roberts.

ASSISTANT: How can I assist you now?

USER: I am planning to visit Central Park at New York, could you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: I would like to take off on 08/23 and return on 08/25.

ASSISTANT: Ok, please let me know airport codes too.

USER: My nearest source airport code is DCA and destination airport code is LGA.

ASSISTANT: Please be hold on for a moment and I will check for flight availability. Thank you for waiting. Yes, I have found a flight in UA airlines with connection 1 and price 200, is it ok for you?

USER: Please proceed with the booking if the connection is 1.

ASSISTANT: Ok Robert, I have confirmed a ticket with flight number 1015.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: My pleasure. Thank you for choosing us, have a great journey.