You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, may I know your name?

USER: Thank you for accepting my request. Myself Ashley Lewis.

ASSISTANT: Please wait, let me check your reservation status.

USER: Ok, I will wait for your response.

ASSISTANT: I am sorry, I did not find any reservation under your name in our database.

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

ASSISTANT: You are welcome and thank you for choosing us.