You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Jackson.

ASSISTANT: What can I do for you today?

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

ASSISTANT: Sure, please wait for few minutes.

USER: Ok.

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

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for your help. Thank you for reaching us.