You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I render you today?

USER: I am Robert Young. I need to cancel my recent reservation due to postpone of my exam. Could you please help me in doing that?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Please, wait for a while I will check with the reservation and let you know.

USER: Sure.

ASSISTANT: Thanks for your time. There is no reservation found on your name Robert Young.

USER: No worries, thank you for your information.

ASSISTANT: Thank you for reaching us.