You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you today?

USER: I am Justin Thomas.

ASSISTANT: Ok.

USER: Can you aid me in booking a flight ticket from IAD to DEN?

ASSISTANT: Sure, may I know your travel dates?

USER: 07/14 and 07/16 are my travelling dates.

ASSISTANT: Ok, do you prefer any halt in between the journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight available in Spirit airline with a single connection and the price is 100.

USER: Please proceed for booking.

ASSISTANT: Ok, your booking is done and the flight number is 1002.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for reaching us.