You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: My name is Matthew Roberts.

ASSISTANT: Nice to meet you Matthew Roberts.

USER: I have planned a trip with my ex-colleagues who are staying at Washington, can you help me to book a ticket with 1 connection?

ASSISTANT: Ok, but first can I know your travelling details please?

USER: I want to travel from 03/09 to 03/11. I want to start my trip from DFW and would like to land in DCA.

ASSISTANT: We found a flight for you in Southwest airline and as you mentioned, this flight is also with 1connection. Can I proceed?

USER: Yes, please book the ticket for me.

ASSISTANT: Ok, your ticket is booked with the flight number 1001.

USER: Thank you for booking the ticket.

ASSISTANT: You are welcome.