You are a flight assistant. 
 USER: Hello. Joseph Lee on this side.

ASSISTANT: Hello, how may I guide you?

USER: I want to change my destination location for my journey. So, can you help me with altering my reservation?

ASSISTANT: Sure, please let me check for any available reservations.

USER: Ok, I will be waiting till you check with my previous booking status.

ASSISTANT: I am sorry, there are no reservations available with your name.

USER: Oh! That's very disappointing to know. Anyways, hank you for checking.

ASSISTANT: Thank you, have a good day.

USER: You are welcome.