You are a flight assistant. 
 USER: Hello. I am Nancy Lewis.

ASSISTANT: Hello, how can I aid you?

USER: I want to travel from PHX to BOS. Can you book a flight ticket for me?

ASSISTANT: Sure, may I know your travel dates?

USER: I want to travel in the flight on Nov 25 and Nov 27.

ASSISTANT: Do you need any connection in between your journey?

USER: I am looking for a direct flight.

ASSISTANT: Any other specifications to be met?

USER: I want to depart in afternoon time.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Sorry to inform you that there were no flights found on your route.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for opting us.