You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you guide me in booking my flight ticket from PHX to ORD?

ASSISTANT: Sure, can you please share me your travelling dates?

USER: My trip dates will be Aug 6th to Aug 8th.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Is there any other specifications?

USER: I prefer a flight that should depart in the afternoon.

ASSISTANT: May I know your name?

USER: I am Brain Walker.

ASSISTANT: Sorry, there were no flights with your given details.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.