You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

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

ASSISTANT: Sure, I am here to help you with this.

USER: Thank you.

ASSISTANT: Can you please provide your name to check your reservations status?

USER: My name is David Lopez.

ASSISTANT: David Lopez, 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.