You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to visit Dallas city, can you please book me a ticket from DCA to DFW?

ASSISTANT: Sure, may I know your trip dates?

USER: My preferable journey dates are from 05/13 to 05/15.

ASSISTANT: May I know your name?

USER: My name is Barbara Garcia.

ASSISTANT: There is a flight with number 1016 in airline AA, the fare is 100 with 1 connection. Can I book it?

USER: Please reserve my ticket with this flight.

ASSISTANT: Your ticket is confirmed, happy journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for opting us.