You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: As my exam got cancelled, can you help me to cancel my recent reservation?

ASSISTANT: Sue, I will help you. Can you please tell me your name?

USER: Sure, my name is Catherine Mitchell.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there is no reservation with your name.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.