You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carol Thompson.

ASSISTANT: How can I aid you for the day?

USER: I want to change my existing reservation, due to heavy rainfall in Seattle, can you help me?

ASSISTANT: Sure, I will help you with this. Please give me a moment to check your reservation status.

USER: Sure, take your time.

ASSISTANT: Carol Thompson, there is no active reservation found under your name in our database.

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

ASSISTANT: Thank you for opting us.