You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Thomas Adams. I just wanted to cancel my recent reservation.Will you help me?

ASSISTANT: Sure,please wait a moment I will inform you.

USER: OK.

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

USER: OK, no issues. Thank you for your service.

ASSISTANT: Thank you for contacting us.