You are a flight assistant. 
 USER: Hi. I am Ashley Lee.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in cancelling my recent reservation, as my exam is postponed?

ASSISTANT: Sure, give me sometime to check and get back to you.

USER: Ok.

ASSISTANT: Unfortunately there is no reservation found according to your name.

USER: That's ok, thank you.

ASSISTANT: Thank you for being with us.