You are a flight assistant. 
 USER: Hello,. I am Robert Smith.

ASSISTANT: Hello, how may I serve you?

USER: I want to cancel my recent reservation as my destination wedding has been cancelled due to weather conditions. Will you help me in cancelling my ticket?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for waiting. There was no reservation found on your name.

USER: Ok, no issues. Thank you for quick response.

ASSISTANT: Thank you for approaching us.