Hello. I am Christine Carter.
user
Hello. How may I help you?
assistant
I have to change my flight ticket reservation, can you please help me in that one?
user
Sure, I can help you. Please give me a moment.
assistant
Sure.
user
Sorry, there is no ticket booking found with your name.
assistant
It's alright, thank you for your search and your information.
user
You are welcome. Thank you for reaching us.
assistant
Welcome.
user