You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you for today?

USER: I would like to make few changes in my reservation due to heavy rains in Paris, can you help me?

ASSISTANT: Yes, I am happy to help you. Can you please help me about your dates of journey?

USER: Sure, myself Benjamin Phillips.

ASSISTANT: Ok, Phillips. Give me a moment to check the existing reservation.

USER: Sure, take your own time and let me know my reservation status.

ASSISTANT: Thank you for waiting and no reservation found with your name in my data base.

USER: Oh! That's very sad to hear form you. Anyways, thank you for checking.

ASSISTANT: Yes, thank you for reaching out here.

USER: You are welcome.