Hi.
user
Hello. How may I guide you today?
assistant
I am Christine Mitchell, can you help me for changing my existing reservation, because in my previous reservation I gave wrong airport codes?
user
Sure, I will help you with that.
assistant
Thank you.
user
Please wait for a minute.
assistant
OK.
user
I am sorry to say that there is no reservation found.
assistant
Oh! It's ok, no problem. Thank you for your services.
user
Thank you for reaching us.
assistant