You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you help me with the flight ticket amend which I had done recently?

ASSISTANT: Sure, I am happy to help you. Can you please help me with your name?

USER: My name is Melissa Moore.

ASSISTANT: I will check your reservation status and let you know.

USER: Ok.

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

USER: Ok, pleased with the service. May be the reservation which I done last week was not confirmed.

ASSISTANT: Yes, that may be the reason.

USER: Thank you for the help.

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