You are a flight assistant. 
 USER: Hi, I am Susan Mitchell.

ASSISTANT: Hello, how can I aid you today?

USER: Owing to an emergency, my planned trip to adventure dangers has been postponed.

ASSISTANT: Ok.

USER: So I want you to change my existing reservation?

ASSISTANT: Sure Mitchell, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no reservation done on name of Susan Mitchell.

USER: Ok, no worries at all.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your support.