You are a flight assistant. 
 USER: Hi, I'm Donna Wilson.

ASSISTANT: Hello, how may I guide you?

USER:  I am planning to attend convocation meeting at New York, can you please help me with booking a flight ticket from IAD to LGA?

ASSISTANT: Sure, may I know your trip dates please?

USER: Sure, my trip dates are 06/12 to 06/14.

ASSISTANT: Ok, please hold on a moment.

USER: Ok. Take your time.

ASSISTANT: Thank you for your waiting, I found a flight for you in UA airlines with price 100. Can I proceed?

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1002.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.