You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jacob Johnson.

ASSISTANT: How can I help you?

USER: I have planned to spend free time with my family in Dallas. Will you please help me to get flight ticket?

ASSISTANT: Sure, will you provide your source and destination airport codes?

USER: Airport codes are DCA and DFW.

ASSISTANT: Will you provide your travelling dates?

USER: My travel dates are 06/16 and 06/18.

ASSISTANT: Please give me a moment.

USER: Please verify that the price is 1000 with connection 1. Sure, take a time.

ASSISTANT: As per your request, the flight is available. The flight number is 1012 with price 100 and the connections 1. Shall I proceed for booking?

USER: Ok, please confirm it.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.Have a nice day.