You are a flight assistant. 
 USER: Hi. I am Melissa Phillips.

ASSISTANT: Hello, how may I be your helping hand?

USER: I want to cancel my reservation, why because my friends already done the reservation with some other airlines.

ASSISTANT: Ok.

USER: So, could you please help me out?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Give me a minute to check the reservation on your name.

USER: Sure, take your time.

ASSISTANT: Thank you for giving your precious time. I did not find any reservation on your name to proceed for cancellation.

USER: No problem. Thank you for your quick response.

ASSISTANT: Thank you for approaching us.