You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER:  I am Ruth Nelson. I want to book a ticket from Denver, DEN to Houston, HOU.

ASSISTANT:  May I know your travel dates? Do you have any preference?

USER: I will depart on 05/16 and return on 05/18. I want to stopover in between journey.

ASSISTANT: We found  a connecting flight Frontier with flight number 1002 and fare is 100.

USER: Please reserve it.

ASSISTANT:  Your booking is done.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for availing us.