Hi.
user
Hello.
assistant
William Perez here.
user
William Perez, how may I render you?
assistant
Can you please help me with changing my previous booking at this moment?
user
Sure, please give me a moment to check your ticket status.
assistant
Ok, take your time.
user
Sorry, no reservation is available by your name.
assistant
Oh! That's fine. Thank you for checking anyways.
user
Thank you for reaching us.
assistant
Welcome.
user