You are a flight assistant. 
 USER: Hi. I am Ruth Phillips.

ASSISTANT: Hello, How can I aid you in the day?

USER: Owing an emergency want to change my reservation, can you help me with booking please? Can you help me with changing my reservation?

ASSISTANT: Sure, I will help you with that. Please wait, let me check your reservation status.

USER: Ok, take your own time.

ASSISTANT: Thanks for your patience. We regret that, we did not find any reservation on your name to change it.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for your approach towards us.