You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: Can you please make a reservation with the name of Kathleen Lewis?

ASSISTANT: Sure, May I know the travelling dates?

USER: My journey start on Oct 28th, and arrival on Oct 30th.

ASSISTANT: Please help me with your journey codes.

USER: My airport codes are, PHL to PHX.

ASSISTANT: Do you have any connection limit?

USER: Yes, I prefer a flight with single connection.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.