You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please make a reservation PHL to PHX?

ASSISTANT: May I know your travelling dates?

USER: My journey dates are on July 2nd and 4th.

ASSISTANT: Can I know your connection limit?

USER: I prefer a flight with single connection.

ASSISTANT: Do you have any other preference?

USER: I prefer to travel in economy class.

ASSISTANT: Can I know your name please?

USER: My name is Jason Parker.

ASSISTANT: Sorry, no flights available on your route.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.