You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Carolyn Hernandez. Owing an emergency, I want to cancel my reservation. Can you help me for that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Ok, wait for some time I will check and get back to you.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting there are no reservations found on your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thanks for approaching us.

USER: Welcome.