You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Emma Johnson.

ASSISTANT: How can I aid you today?

USER: Can you help me to cancel my reservation which I did recently?

ASSISTANT: Sure, I will help you in that.

USER: Thank you for helping me with my concern.

ASSISTANT: Sorry, no reservation found under your name in our database. Thank you for opting us.

USER: That is ok, thank you for assisting me.