You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my recent reservation as my trip got postpone due to bad weather conditions. Can you help me with this?

ASSISTANT: Sure, may I know your name?

USER: I am Susan Johnson.

ASSISTANT: Please give me a moment to check your ticket status.

USER: Sure.

ASSISTANT: Sorry Susan Johnson, no reservation is available by your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.