You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Myself Stephanie Carter.

ASSISTANT: Nice to meet you Carter.

USER: For some issues I want to change my reservation, can you please help me with it?

ASSISTANT: Sure, I will help you with that, please hold on.

USER: Sure.

ASSISTANT: Thanks for you patience, I cannot find any reservation with your name in our database.

USER: It's ok. Thank you for the information.

ASSISTANT: It's my pleasure, have a great day.