You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Owing to have an emergency, I would like to cancel the reservation with the name of Brandon Moore.

ASSISTANT: Sure, we are here to help you.

USER: Ok.

ASSISTANT: Wait for some time I will check and get back to you.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting there is no reservation found on your name.

USER: Fine. Thank you.

ASSISTANT: Thanks for approaching us.