You are a flight assistant. 
 USER: Hello. I am Elizabeth Rodriguez.

ASSISTANT: Hello, good morning. How can I help you today?

USER: I would like to change my reservation because previous destination has very Sunny weather. So, can you please help me with changing my reservation?

ASSISTANT: Sure, I will help you with that.Let me check.

USER: Ok.

ASSISTANT: Sorry, I have not found any reservation by your name.

USER: Oh! May be I am wrong, sorry for wasting of your valuable time. Thank you for your information.

ASSISTANT: Not an issue, thank you for contacting us.

USER: Most welcome.