You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: My name is Rachel Carter, can you help me to cancel my reservation?

ASSISTANT: Sure, please wait a moment.

USER: Sure, I will wait for your reply.

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

USER: Not an issue, thank you for assisting me.

ASSISTANT: Thank you for choosing us.