You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Brian Hill.

ASSISTANT: How may I guide you today?

USER:  I want to cancel my reservation as my project got ramp down. Can you help me with that?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I cancelled your reservation successfully under your name.

USER: Thanks for the assistance.

ASSISTANT: Thank you for reaching us.