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

ASSISTANT: Hello, how can I help you today?

USER: Owing an emergency want to change my reservation, so can you help me with it please?

ASSISTANT: Sure, we are here to help you. Please wait a moment.

USER:       Thank you, take your time.

ASSISTANT: Sorry to inform, no reservation found with your name.

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

ASSISTANT: Thanks for reaching us.