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

ASSISTANT: Hello, how may I help you?

USER:  I have an earlier reservation to sign a new contract with my client, due to some problems it got postponed. Can you please help me in changing the reservation?

ASSISTANT: Sure, I am here to help you. Please stand by.

USER: Ok.

ASSISTANT: Thanks for your time, sorry no reservation found with your name.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank for your quick response.