You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need to change my recent reservation, can you please help me?

ASSISTANT: I will help you with that please share your name?

USER: Myself Deborah Collins.

ASSISTANT: No reservation found as per your preferences.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for choosing us.