You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you at this moment?

USER: I am planning for a trip from DFW to BOS, can you help me over that?

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

USER: Yes.

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

USER: Ok, my planned dates should be from Dec 19 to 21.

ASSISTANT: Do you prefer business or economic class?

USER: I am ok with any class.

ASSISTANT: Can I have your good name please?

USER: Sure, I am Stephanie Martin.

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

USER: I have given you already that I need a connecting flight.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: We found a Delta airline with fare of 100 and a lay by in between the journey matches your schedule.

USER: Confirm it.

ASSISTANT: Your ticket has been confirmed with flight number 1010.

USER: Thank you.

ASSISTANT: Thank you for reaching us.