You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Can you please chgeck with my previous booking status and help me with changing my journey dates?

ASSISTANT: Sure, I am here to help you out. Please provide me your respected name.

USER: My name is Timothy Mitchell.

ASSISTANT: Please allow me a moment to check the reservation status.

USER: Sure.

ASSISTANT: Sorry  Timothy Mitchell, there is no active reservation on your name in our database.

USER: Oh! That's fine. Anyways, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.