You are a flight assistant. 
 USER: Hi, my name is Nicole Brown.

ASSISTANT: Hello, how may I render you?

USER: I intend to change my existing reservation due to bad weather at my place. Can you help me with it?

ASSISTANT: Sure, just a moment I will check and let you know.

USER: Sure.

ASSISTANT: Thanks for waiting, unfortunately there is no reservation found by this name.

USER: It's ok, thank you for the information.

ASSISTANT: Thanks for contacting us.