You are a flight assistant. 
 USER: Hello, Katherine Rodriguez here.

ASSISTANT: Hello Rodriguez,  how can I help you today?

USER: I have to attend an important meeting at my client location, can you please help me in booking the ticket from PHX to DCA?

ASSISTANT: Ok, I feel euphoric to help you about it. Can you please let me know your planned dates of journey?

USER: Sure, my journey dates are 04/28 and 04/30.

ASSISTANT: Please wait for a minute.

USER: Sure, I need 1 halt in between my source and destination. Please search accordingly.

ASSISTANT: Sorry for the inconvenience, no flights available as per your requested dates.

USER: That's ok, thank you for providing the information.

ASSISTANT: You are welcome.