Hello.
user
Hello, How can I serve you?
assistant
I have to change the trip dates because my friend is unable to travel now with us, so we have postponed the trip. Can you please help me to modify the details?
user
Sure, May I know your name?
assistant
I am happy for your response. My name is Angela Gonzalez.
user
Please wait a minute.
assistant
Ok, take your time and let me know my ticket status.
user
Sorry, No reservation found on your name.
assistant
It's ok, not  a problem with that. Thank you for spending your time.
user
Thank you for opting us.
assistant