You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Andrew Baker this side, can you help me to cancel my ticket? As I have checked in late I did not got the window seat.

ASSISTANT: I am glad to help you, may I know your name please for checking? Sure Baker, please wait.

USER: I have already mentioned the name.

ASSISTANT: Sorry Baker, I have not found any reservation under your name in our database.

USER: No issues, thank you for confirming.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: You are welcome.