You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Alexander Edwards.

ASSISTANT: How may I abet you today?

USER: I wish to go for foothills explorer tour at Denver, DEN. Will you aid me in making a reservation on 05/19?

ASSISTANT: Sure, may I know your source point?

USER: I will  board from my nearest airport Washington, IAD.

ASSISTANT: Please share your return date?

USER: After completion of my tour, I have to return on 05/21.

ASSISTANT: Do you need any halt with in my journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: We found a flight 1010 in southwest airline the price is 200 with one halt.

USER: Please, proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for assisting me.