You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Carolyn Jones, can you help me to cancel the reservation which I had done recently?

ASSISTANT: Sure, please wait for a while.

USER: Ok, thank you for the positive response. I will wait.

ASSISTANT: Sorry Carolyn Jones, no reservation is available by your name.

USER: Ok, that is not a problem. I will check my mails to know more about my reservation. Anyways thank you for assisting me.

ASSISTANT: Thank you for reaching us.