You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My name is Timothy Mitchell and I want to book the flight ticket from DCA to DFW.

ASSISTANT: Sure, can you please share your planned travel dates?

USER: My journey dates are 05/29 and 05/31.

ASSISTANT: Do you need a direct flight or a connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your departure and arrival timings?

USER: I would like to depart in the afternoon.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: I found an economy class ticket in Delta airlines with fare 100 and it is a connecting flight. Can I book your ticket?

USER: Please proceed.

ASSISTANT: Ok, your booking is confirmed with flight number 1002.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.