You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Sandra Taylor here.

ASSISTANT: Sandra Taylor, how may I aid you?

USER: I would like to cancel my recent reservation as my exam cancelled, can you please help me out?

ASSISTANT: Sure, please give me a moment to check your ticket status.

USER: Sure, take your time.

ASSISTANT: Sorry, no reservation is available by your name.

USER: That's ok, no issues. Thank you for checking out.

ASSISTANT: Thank you for reaching us.