You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: I am Michael Miller, My family tour was cancelled, will you help me in cancelling reservation?

ASSISTANT: Sure. Please wait for a moment.

USER: Ok.

ASSISTANT: While I check the details, and let you know. Ok, your reservation has been cancelled.

USER: Thank you, for your service.

ASSISTANT: Thanks for reaching to us.