You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Amanda Thomas.

ASSISTANT: How may I aid you today?

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

ASSISTANT: Sure, I am here to help you.

USER: Ok.

ASSISTANT: Please wait for a minute.

USER: Ok.

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

USER: No issue. Thank you.

ASSISTANT: Thank you for connecting with us.