You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, can you please tell me for what help you approached us?

USER: My business meeting has been postponed, could you please help me with changing my recent reservation?

ASSISTANT: Sure, I will definitely help you. Can you please tell me your name?

USER: I'm Jessica Smith.

ASSISTANT: Smith, I haven't found your reservation in our portal to change further.

USER: That's ok, no issues. Anyways, thank you for the information.

ASSISTANT: Thank you for connecting with us.