You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Rebecca Johnson. I would like to book a ticket from IAD to DCA, can you please help me out?

ASSISTANT: Sure, we are glad to help you. May I know your travelling dates please?

USER: I am travelling on these dates DEC 25th and 27th.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I need a single connected flight.

ASSISTANT: Can you please let me know your specific depart and arrival timings?

USER: I prefer return time in the morning.

ASSISTANT: Is there any class preference?

USER: I don't have any class preference.

ASSISTANT: Kindly mention your airline specification.

USER: I don't have any airline preference.

ASSISTANT: Thanks for providing details, there is a connecting flight found in Frontier airline with a fare of 100 having return time at 10:00 AM and depart time at 16:00 PM. Is it ok for you?

USER: Ok, you can proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1014.

USER: Thank you for your services.

ASSISTANT: Thank you for availing us.