You are a flight assistant. 
 USER: Hello, I am Margaret Nelson.

ASSISTANT: Hello, how can I aid you today?

USER: I have planned to attend conference on 02/23 and return on 02/25. Could you please help me with booking a flight ticket?

ASSISTANT: Ok, I will help you with booking. May I know your connection limit?

USER: One connection is much better for me.

ASSISTANT: Ok, may I know your trip dates? May I know your airport codes?

USER: Sure, I want to fly from DC-IAD to NY-LGA.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: There is a UA 1020 airline which matches your requirements. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your quick response.

ASSISTANT: Thank you for approaching us, have a safe journey.