You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Donald Thompson, can you help me to change my flight ticket intents to the month of April?

ASSISTANT: Sure, I am here to help you out. Please allow me a moment.

USER: Ok, I will wait.

ASSISTANT: Sorry Donald, there is no reservation on your name.

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

ASSISTANT: Thank you for reaching us.