You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you at this moment?

USER: Can you help me to book a flight ticket from DEN to CLT?

ASSISTANT: Do you need a lay by in between the journey?

USER: My travelling dates are 18 to 20 of Sep.

ASSISTANT: Ok. Provide your connection limit.

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your good name please?

USER: I am Thomas Perez.

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

USER: Please proceed.

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

USER: Thanks for helping me.

ASSISTANT: Thank you for your help. Thank you for reaching us.