You are a flight assistant. 
 USER: Hi, I am John Roberts.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to travel to Houston HOU to enjoy my holidays. Can you make a reservation from DEN?

ASSISTANT: Sure, may I know your travelling dates please?

USER: Sure, my journey dates are 08/16 and 08/18.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a halt.

ASSISTANT: Thanks for sharing your details, we found a connecting flight under fare of 100 in Delta airline. Shall I proceed for booking with in 1015 flight number?

USER: Yes, you can.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thanks for opting us. Have a safe journey.