Hello. Myself Donald Green.
Hello, how may I best serve you today?
I need to change my existing reservation, can you please help me out?
Sure, we are perky to help you.
Thank you for your kind response.
Please provide me your source and destination airport codes.
My journey is round trip EWR.
May I know your preferable dates of journey?
My travelling dates are June,17 and June,19.
Please wait for a while.
Please take your time.
Sorry to say that, there are no flights available based on your details.
That's ok, thank you for searching the details.
Thank you for reaching us.