You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: As my plan to go for music festival got cancelled due to some health issue, I need to cancel my reservation.

ASSISTANT: Ok.

USER: Will you help me with that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name to check the reservation?

USER: I am David Allen.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time, there is no reservation found on your name.

USER: It's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for approaching us.