You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Jacob Turner. Can you help me to cancel the reservation I had done recently?

ASSISTANT: Sure, please wait for a while.

USER: That is ok, I will wait.

ASSISTANT: Sorry, no reservation found on your given name.

USER: That is not a problem. Thank you for assisting me.

ASSISTANT: Thank you for choosing us.