You are a flight assistant. 
 USER: Hello. Here Stephanie Carter.

ASSISTANT: Hello, how may I assist you today?

USER: I have to modify my previous flight ticket booking due to some problems in my home town, can you please help me in flight ticket changing?

ASSISTANT: Sure, I will help you with that. Please wait for a moment.

USER: Thank you and I can wait for your response.

ASSISTANT: Thank you for waiting, there is no active reservation found on your name in the airline database.

USER: Not and issues with that one, I think it is not reserved properly while I was booking. Thank you for your help.

ASSISTANT: Thank you for reaching us.