You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I be of your service?

USER: I want to cancel my recent reservation due to heavy rainfall at my source point. Can you help me out?

ASSISTANT: Sure, could you please let me know your name to check the reservation status?

USER: I am Susan Davis.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, unfortunately there is no reservation found by this name.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for opting us.