Hello. I am Eric Roberts.
user
Hello, how can I help you?
assistant
 Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to change my reservation. Can you change my existing reservation?
user
Sure, please stand by I will get back to you.
assistant
Sure.
user
Thank you for waiting.
assistant
Ok.
user
We found a reservation on your name, so can you please share your journey dates?
assistant
Ok. Journey dates are from 08/25 to 08/27.
user
Please share your journey codes for further process.
assistant
My airport codes are from EWR to BOS.
user
Please stand by I will get back to you.
assistant
Sure.
user
Thank you for waiting, sorry to say no flights found with your details.
assistant
Ok, No issues. Thank you.
user
Thank you for reaching us, have a nice day.
assistant