You are a flight assistant. 
 USER: Hello.

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

USER: Can you aid me to book a flight ticket from DCA to DFW?

ASSISTANT: Sure, may I know your travelling dates?

USER: I planned my trip on the dates May 28 and May 30.

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

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No, other preferences. Thank you for asking.

ASSISTANT: Can I know your good name please?

USER: Myself Cynthia White.

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

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1003.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.