You are a flight assistant. 
 USER: Hello, Brandon Parker here.

ASSISTANT: Hello, Brandon. How can I help you?

USER:  I am trying to cancel my recent reservation, due to an emergency but it is not happening, can you help me with this?

ASSISTANT: Sure, I will help you with that. Please wait for a while, I will check the details and get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting Brandon. Sorry, there is no reservation found on your name.

USER: It's ok, no issue.

ASSISTANT: Thank you for approaching us, have a nice day.

USER: Thank you for your help. Thank you.

ASSISTANT: You are welcome.