You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Please help me in booking flight ticket from DFW to PHX to meet my friend.

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

USER: My trip dates are Oct 25 to Oct 27.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference for you?

USER: I prefer to travel in economy class.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: Frank Anderson.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline: United Airlines, flight number: 1020 and price is 100 with one connection.

USER: You can book.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for reaching us.