You are a flight assistant. 
 USER: Hello. I am Timothy Lopez.

ASSISTANT: Hello Timothy,. How can I assist you?

USER: My business trip was shifted to another location. So I would like to cancel my recent reservation. Will you please help me?

ASSISTANT: Sure, I will help you. Please give me few seconds, I will check your reservation.

USER: Sure.

ASSISTANT: Sorry, I am unable to find your reservation with your name. Do you need any other help?

USER: No, nothing. Thank you for your help.

ASSISTANT: OK, thank you for reaching us. Have a good day.