You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What guidance do you require from our flight agency?

USER: Can you please book a flight ticket from PHX to EWR?

ASSISTANT: Sure, I am gleeful to guide you with the ticket booking. Can you please mention your trip dates?

USER: Thank you. I have planned my travel dates as Mar 18 and Mar 20.

ASSISTANT: Ok, do you prefer a connecting flight or a direct flight?

USER: I am looking for single connecting flight.

ASSISTANT: May I know your name please?

USER: Sure, myself Nancy Smith.

ASSISTANT: I regret to inform you that, there are no flights found in this route on the dates you have given.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: You are welcome. Thank you for approaching us.

USER: Most welcome.