You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I support you?

USER: I am Katherine Scott. Can you please make a reservation from Denver, DEN to Houston, HOU?

ASSISTANT: Sure, please let me know if you need a lay over with in your route.

USER: Yes, I need a lay over in between journey.

ASSISTANT: On what dates you want me to book the ticket?

USER: My journey dates are, depart on 03/27 and need to  catch return flight on 03/29.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, currently there are no flights going on your way.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.