You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What help do you require from us?

USER: I want to cancel my cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, I'll try to help you in cancellation.

USER: Thank you.

ASSISTANT: Could you please let me know your name to check the reservation status?

USER: Amanda Mitchell here.

ASSISTANT: Ok, give me some time.

USER: Ok.

ASSISTANT: Thank you for waiting, I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: That's Fine, Thank you .

ASSISTANT: Thank you for approaching us.