You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to change my recent reservation, will you help me with that?

ASSISTANT: Sure, can you please let me know your name?

USER: Sure, myself Ryan Johnson.

ASSISTANT: Please allow me 2-3 minutes.

USER: Take your own time.

ASSISTANT: Thank you for waiting. Sorry, there is no active reservation found under your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.