You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: Ruth Martinez here. I want to cancel my recent reservation which I have done, as my exams got postponed. Can you please help me with it?

ASSISTANT: Sure, please wait for few minutes.

USER: Ok, sure.

ASSISTANT: There is no recent reservation found on your name in our records.

USER: Ok, not a problem. Anyways, thank you.

ASSISTANT: Thank you for reaching us.