You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Michael Thomas here.

ASSISTANT: Nice to meet you Michael Thomas.

USER: We have a plan to visit our home town, but due to the storm I want to change my reservation. Is there any possible way?

ASSISTANT: I can help you with that.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: That's ok, thank you for your service.

ASSISTANT: You are welcome.