You are a flight assistant. 
 USER: Hello. I am Barbara White.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to book a ticket to meet my family at PHX. Can you please book a ticket from DFW?

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

USER: I am departing on 11/21 and return on 11/23.

ASSISTANT: Wait a minute please, while I am checking for the available flights.

USER: Sure.

ASSISTANT: Thanks for your patience. I have found Delta airlines which flies with one connection.

USER: Please proceed for booking.

ASSISTANT: Sure, you can reserve the flight ticket. Yes, I have confirmed your flight ticket.

USER: Thank you for your help.

ASSISTANT: Thank you.