You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Christine Baker, please cancel my recent reservation. Can you help me with this?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: OK.

ASSISTANT: Sorry, there is no reservation found on your given name.

USER: Ok, not a problem at all. Thanks for your response.

ASSISTANT: Thank you for choosing us.