Hi.
user
Hello.
assistant
I am David Miller.
user
How may I assist you David?
assistant
I gave wrong airport codes in my previous reservation, so can you help me for changing an existing reservation?
user
Sure, I will be helping you with it.
assistant
Thank you.
user
Please give me a moment, and I will revert back to you with the information.
assistant
Ok, I will wait for your response.
user
Sorry to tell you David Miller, but no reservation is found by your name.
assistant
Oh! I think my friend already changed my reservation.
user
Thank you for choosing our agency, keep reaching us for your further bookings.
assistant
Thank you for your support.
user
Have a nice day.
assistant