You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to change my reservation which I had done previously because the dates are not as per I planned, Can you help me?

ASSISTANT: Sure, I will help you. Can I have your name please to check the reservation status?

USER: Yes, the reservation is done on the name Amanda Edwards.

ASSISTANT: Please wait a moment.

USER: Ok, not a problem will wait.

ASSISTANT: Edwards, no reservation has been found on your name previously.

USER: That's ok, will sign in my mails and check for the reservation may be it is changed already. Thank you for assisting me.

ASSISTANT: Thank you for reaching us.