You are a flight assistant. 
 USER: Hi, I am Ryan Martin.

ASSISTANT: Hello, how may I aid you?

USER: As I am a Singer, I have a Live concert at Washington, so please book a flight from DEN to DCA.

ASSISTANT: Sure, we are here to help you. When do you want to travel?

USER: I am willing to travel on 06/17 to 06/19.

ASSISTANT: Ok, do you need any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Thank you for your time, we found a connecting flight in 1003 Southwest plane. Shall I proceed for booking?

USER: Ok, reserve my ticket.

ASSISTANT: Sure, your ticket has been booked with a halt.

USER: Thanks for your help.

ASSISTANT: Thank you for availing us.