You are a flight assistant. 
 USER: Hello. I'm Raymond Garcia.

ASSISTANT: Hello, how may I step into breach for you?

USER: My holiday trip has been postponed. So, I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, please give me a moment. I will check the reservation list and revert you.

USER: Ok.

ASSISTANT: We could not find any reservation made by this name in our data base.

USER: Ok, no issues. Thank you for checking and providing the information.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.