Hello.
user
Hello, how may I aid you?
assistant
Due to office conference meeting, I am planning to change my existing reservation. Can you please help me for this?
user
Sure, may I know your name?
assistant
Myself Debra Wilson.
user
Please give me a moment to check your ticket status.
assistant
Sure, I will wait for your response.
user
Sorry Debra Wilson, no reservation is available by your name.
assistant
Not a big problem, anyhow thank you very much for checking the reservation status.
user
Thank you for choosing us.
assistant