You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Amy Lewis, can you help me to change my reservation I had done recently?

ASSISTANT: Sure, I am here to help you. Please wait a minute.

USER: Thank you for aiding me, please take the time you need.

ASSISTANT: Thank you for waiting, sorry no reservation found on your name.

USER: That is ok, thank you for assisting me.

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