You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need to change my reservation due to my planned event got postponed. So please help me with changing my reservation.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can you please tell me your good name?

USER: Sure, myself Ruth Hernandez.

ASSISTANT: Ok, please wait a minute.

USER: Sure, take your time to check.

ASSISTANT: Sorry to inform you, there is no reservation found with your name in our database.

USER: Oh! It may not be booked properly while booking due to server issue.

ASSISTANT: Ok.

USER: Anyway, thank you for your time.

ASSISTANT: Most welcome. Thank you for choosing us.

USER: Most welcome.