You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at at this moment?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me in that?

ASSISTANT: Sure, may I know your good name please?

USER: Anna Hill here.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure, take your own time.

ASSISTANT: There is no recent reservation found on your name in our records.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for checking.