You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Jennifer Johnson, can you help me in amending the reservation I had done recently?

ASSISTANT: Sure, I can do that for you. Please wait, I will check your reservation status and let you know.

USER: Ok, please take the time you need.

ASSISTANT: Sorry Johnson, I have not found any reservation under your name in our database.

USER: That's ok, thank you for assisting me.

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