You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Please help me out in booking flight ticket from PHX to DFW.

ASSISTANT: Sure, may I know your travel dates please.

USER: My travelling dates are 29 Sept and 01 Oct.

ASSISTANT: Can you please share your name for documentation purpose?

USER: My name is Joshua Miller.

ASSISTANT: Is there any connection limit?

USER:         I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I want to depart in the morning.

ASSISTANT: Joshua Miller, there are no flights available in your route.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.