You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am planning to travel from PHL to LAS, help me in booking a flight?

ASSISTANT: Could you please provide me the itinerary travel dates that you have planned for?

USER: My travelling dates are Feb 04 to 06.

ASSISTANT: May I know if you have any airline preference?

USER: No.

ASSISTANT: Could you let us know if you have any class preference?

USER: No.

ASSISTANT: Is there any time concern?

USER: I prefer single connection flight.

ASSISTANT: Well, can you please provide your name?

USER: I am Gary Rodriguez.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Gary Rodriguez. I regret to say that there are no flights found by your name.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.