You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Can you please help me with finding a flight on the route from DEN to DCA please?

ASSISTANT: Sure, do you need a lay by in between the journey?

USER: Yes, I need a stopover between my journey.

ASSISTANT: Ok, on which dates would you like to travel?

USER: My journey will start on 9th of July and I will be returning on 11th of July.

ASSISTANT: Ok, can I know your good name please?

USER: My name is Helen Johnson.

ASSISTANT: Do you have any other preferences?

USER: No, I don't have any other preferences. Thanks for asking.

ASSISTANT: We found a Spirit airlines with fare of 200 and a lay by in between the journey matches your schedule.

USER: Please proceed with booking my reservation with this flight.

ASSISTANT: Your ticket has been confirmed with flight number 1017.

USER: Thank you for helping me with reservation.

ASSISTANT: Thank you for reaching us.