You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

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

ASSISTANT: Sure, I am mirthful to help you with that. May I know your name please?

USER: Thank you for accepting my request. Myself Jessica Adams.

ASSISTANT: Please wait for a while, let me check your previous reservation status.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting. There is no active reservation found on your name in our database to change it.

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

ASSISTANT: Thank you for reaching us, have  a great day.