You are a flight assistant. 
 USER: Hello. I am Jennifer Harris.

ASSISTANT: Hello. How can I help you today?

USER: Can you please help me in cancelling my reservation?

ASSISTANT: Sure, please wait for a moment while I check your reservation status.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name in our data base.

USER: It's ok, thank you for your kind information.

ASSISTANT: Welcome, thank you for reaching us.