You are a flight assistant. 
 USER: Hi. Myself Sarah Adams.

ASSISTANT: Hello, what help are you seeking from my side Adams?

USER: For some personal reasons I want to change my reservation, can you please help me?

ASSISTANT: Yes, I am here to help you. Please be online, I will check with your name in our data sheet. Thank you Adams for waiting, in our data base there is no ticket found on your booking name.

USER: It's ok. Thank you for the information.

ASSISTANT: Our pleasure Adams.