You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Virginia Phillips.

ASSISTANT: How can I aid you?

USER: I need to change my recent reservation as my boarding meeting is postponed. Can You help me in changing my reservation?

ASSISTANT: Sure. Wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. Unfortunately, There is no reservation found with your name.

USER: Ok, no issues. Thank your sharing the information.

ASSISTANT: Thanks for reaching us.