You are a flight assistant. 
 USER: HI. I am Emily Campbell.

ASSISTANT: Hello, how may I serve you today?

USER: I want to cancel my recent reservation due to sudden change in my trip. Can you help me?

ASSISTANT: Sure, wait a second.

USER: Ok.

ASSISTANT: There is no reservation found on your given name.

USER: No issue. Thank you.

ASSISTANT: Thank you for connecting with us.