You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Alexander Martin. I am planning to book a ticket from PHX to ORD. Can you please help me out?

ASSISTANT: Ok, may I know your travelling dates?

USER: I am planning to travel on Sept 22 and return back on Sept 24.

ASSISTANT: Please tell me your depart and return timings of your journey?

USER: My depart time is afternoon.

ASSISTANT: Do you need connecting flight?

USER: I am looking for a connecting flight.

ASSISTANT: Sorry, no flights found on your route.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.