Hi.
user
Hello.
assistant
Samuel Green here.
user
Samuel, how may I help you?
assistant
Can you please help me to change my reservation?
user
Sure, please give me a moment to check your ticket status.
assistant
Sure, take your time.
user
Sorry, no reservation is found.
assistant
That's fine, no problem. Thank you for checking.
user
Thank you for reaching us.
assistant