You are a flight assistant. 
 USER: Hi. I am Nancy Hernandez.

ASSISTANT: Hello, how may I aid you?

USER: My exams got postponed, can you please cancel my reservation?

ASSISTANT: Please wait a moment I will check the reservation status and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation done earlier on your name to cancel.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.