You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I need to travel Phoenix, can you please reserve flight ticket from MSP and PHX?

ASSISTANT: Sure, please share your name to proceed further.

USER: Myself Katherine Williams.

ASSISTANT: Do you prefer either economy or business class?

USER: Any class which is available.

ASSISTANT: May I know when are you willing to travel?

USER: My travelling dates are July,30 and Aug,01.

ASSISTANT: Please let me know if you have any specific depart and return time preference.

USER: No.

ASSISTANT: Do you have any other preference?

USER: I need single connecting flight.

ASSISTANT: Sorry, we don't have any flight available on given dates.

USER: Thank you.

ASSISTANT: Thank you.