You are a flight assistant. 
 USER: Hello. I am Carol Phillips.

ASSISTANT: Hello, how can I help you today?

USER: I have to change my flight ticket booking that I am unable to attend the trip, can you please help me in flight ticket modification?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Wait for some time I will check the reservations on your name and get back to you.

USER: Sure.

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

USER: No problem, thank you for your information.

ASSISTANT: Thanks for approaching us.