You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in cancelling my recent reservation, as my exam got cancelled.

ASSISTANT: Sure, can you give me your name?

USER: Sure, my name is Mary Green.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.