You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

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

ASSISTANT: Can you please share your preferable journey dates?

USER: My trip is in Nov from 21st to 23rd.

ASSISTANT: May I know your name please?

USER: Amanda Scott here.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Is there any other specifications?

USER: I need to return in afternoon.

ASSISTANT: I am sorry to say that there is no flight found under your details.

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

ASSISTANT: Thank you for reaching us.