You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Due to some technical issues, my meeting place has been changed.

ASSISTANT: Ok.

USER: Can you please help me with this?

ASSISTANT: Sure, I will aid you. Please give me a minute.

USER: Sure.

ASSISTANT: Let me know your name.

USER: I am Benjamin Lopez.

ASSISTANT: There is no reservation available to change.

USER: Ok, Thank you.

ASSISTANT: Thank you.