Hello.
user
Hello, how may I assist you?
assistant
Due to some emergency work at Office, so please help me to change my reservation.
user
Sure, may I know your good name please?
assistant
Sure, I am Eric Baker from Chicago.
user
Please wait for a moment.
assistant
Sure.
user
Sorry, there is no flight available on your requested dates.
assistant
No issues, thank you.
user
Thank you for reaching us.
assistant