Hi.
user
Hello, how can I provide assistance for you?
assistant
I am Samuel Johnson. Due to an emergency, I am unable to catch the flight on the dates which I have reserved, so can you please help me in changing my flight ticket?
user
Sure, I am here to help you. Please wait for a moment I will check your complete reservation details and proceed further with changing your existing reservation.
assistant
Sure, take your time. I will wait for your response.
user
Sorry to say this, I did not find any active reservation on your name in my database.
assistant
Oh! ok. Thank you for your information.
user
Thank you for reaching us, have a pleasant day.
assistant