Hi, myself Stephen Thompson.
user
Hello. How may I help you today?
assistant
I would like to change my flight reservation as I got some urgent work at my office. Can you please do that for me?
user
Sure, I am happy to help you with that.
assistant
Thank you.
user
Please wait for a while.
assistant
Sure, I will wait for your reply.
user
I am sorry to say that there is no reservation found under your name.
assistant
Not an issue. Anyway, thank you for checking.
user
Thank you for reaching us.
assistant