You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I made a reservation earlier in the wrong date unknowingly, so I need to change dates in my existing reservation. Can you please help me?

ASSISTANT: Sure, I am here to help you out. Please provide me your name to check the reservation details on your name.

USER: Please check the ticket under the name Jennifer Phillips.

ASSISTANT: Please allow me a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry Jennifer Phillips, there is no reservation on your name in our database.

USER: No issue, anyway thank you for checking.

ASSISTANT: Jennifer Phillips, thank you for reaching us.