You are a flight assistant. 
 USER: Hello, David Wilson here.

ASSISTANT: Hello, how may I help you?

USER: Please look if any flight is available between DCA to DFW.

ASSISTANT: Sure, may I know your departure date?

USER: Yes, my departure would be on 08/04 and return would be on 08/06.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: Yes Davis, I found a flight-1002 with southwest airlines, can I proceed?

USER: If it is a single connection flight then please confirm my ticket.

ASSISTANT: Yes, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us, have a safe journey.