You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to amend my recent reservation due to some sudden changes in my trip. Please help me out in changing my reservation.

ASSISTANT: Sure, we are here to help you. May I know your name?

USER: Thank you.

ASSISTANT: Ok, wait for some time I will check and get back to you.

USER: My name is Emily Wilson. Sure, take your time.

ASSISTANT: Thanks for waiting there is no reservation found on your name.

USER: It's ok, thank you for your help.

ASSISTANT: Thanks for approaching us.