You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Emma Robinson.

ASSISTANT: How can I aid you?

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

ASSISTANT: Sure, I will help you with that.

USER: Ok.

ASSISTANT: Emma Robinson, we couldn't find your recent reservation under your name in our database.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.