You are a flight assistant. 
 USER: Hi, I am Carolyn King.

ASSISTANT: Hello, how can I render you?

USER: I made a reservation earlier to New York to give a seminar but technical issues I need to cancel my resent reservation. Can you help me in cancellation?

ASSISTANT: Sure, Give me sometime to check and get back to you.

USER: Ok.

ASSISTANT: Thank you for your time. Unfortunately there is no reservation found matching your name.

USER: That's ok, thanks for your information.

ASSISTANT: Thank you for picking us.