Hi.
user
Hello. How may I aid you today?
assistant
I am Robert Adams. Will you please change my existing reservation?
user
Sure, I am glad to help you with that.
assistant
Ok.
user
I have found your reservation. Can you please provide your preferable dates of travelling?
assistant
My preferred dates are Nov 12 and  Nov 14.
user
Ok, may I know your origin and destination airport codes for booking?
assistant
My journey airports are from ATL and PHX.
user
Do you have any specific depart and arrival time for this trip?
assistant
I would like to return in the morning time.
user
Do you have any class preference?
assistant
I am comfortable with any class.
user
Do you have any connection limit?
assistant
I require connecting flight in between my journey.
user
Please be on hold to check the flights.
assistant
Sure.
user
We are apologize that, there are no flights running towards your region with your requested dates of travelling.
assistant
Ok, not a problem. Thank you for your information.
user
Thank you for reaching us, have a great day.
assistant