You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: Can you please help me to book a ticket from DFW to DCA?

ASSISTANT: Sure, share your travelling dates.

USER: I want to start on June 21 and return on June 23.

ASSISTANT: Ok, may I know your airline preference?

USER: I would prefer normal-cost airlines.

ASSISTANT: Ok, do you need any lay by in between the journey?

USER: I need a connecting flight.

ASSISTANT: Ok, do you have nay other requirements?

USER: No.

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

USER: Ryan Perez here.

ASSISTANT: We found a Hawaiian airline with fare of 100 and a single connection with economy class matches your schedule.

USER: You can proceed to booking.

ASSISTANT: Your ticket has been confirmed with flight number 1028.

USER: Thank you.

ASSISTANT: Thank you for reaching us.