You are a flight assistant. 
 USER: Hello, I am Timothy Adams.

ASSISTANT: Hello, how may I support you today?

USER: Due to heavy snow storms, I want to change my reservation. Can you help me with it?

ASSISTANT: Sure, I can change your reservation. Please wait for a moment, while I check for the reservation on your name.

USER: OK.

ASSISTANT: Thanks for waiting, sorry to inform that there is no any reservation found on your name in our data.

USER: No problem, I will try with another airline. Thank you.

ASSISTANT: Thank you for visiting us, hope see you again.