Hello.
user
Hello. How may I guide you today?
assistant
My name is Christine Walker.
user
Welcome to flight booking agency Walker.
assistant
Due to health issue, I want to change my existing reservation. Please help me in that.
user
Sure, I will help you with that.
assistant
Thank you.
user
Please wait a moment to check. We regret to inform you that there is no reservation found on your name in our records.
assistant
No problem, thanks for your valid information.
user
Thank you for reaching us, have a great day.
assistant