Hello.
user
Hello, how may I aid you?
assistant
Due to some urgent office meeting, I am planning to change my existing reservation. Can you please help me for this?
user
Sure, I can help you. May I know your name?
assistant
Myself Ryan Johnson.
user
Please give me a moment to check your ticket status.
assistant
Sure.
user
Sorry Ryan Johnson, no reservation is available by your name.
assistant
Not a big deal, anyhow thank you very much for your kind information.
user
Thank you for choosing us.
assistant