You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to meet my friend in IAD. Can you please make a reservation from PHX?

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, I want to travel on Sept 15 and need to return on Sept 17.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Any other requirements to be met?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your name?

USER: I am Nancy Clark.

ASSISTANT: Do you have any particular time for departing and returning?

USER: No.

ASSISTANT: Southwest airlines flight- 1020 of price 100 with connection in economy class matches your given details, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.