You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I need to travel Washington DC, can you please reserve flight ticket from IAH and DCA?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travelling dates are Oct,31 and Nov,02.

ASSISTANT: Do you have any airline preferences?

USER: No, but I need direct flight for my journey.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: No.

ASSISTANT: Can you please provide your name to proceed further?

USER: Myself Catherine Collins.

ASSISTANT: There is a direct flight with ticket fare 100 in Frontier airlines in economy class. Is it ok for you?

USER: Please proceed with the reservation.

ASSISTANT: Your booking is confirmed with flight number 1000. Departure time is 13:00 PM and arrival time is 10:00 AM.

USER: Thank you for reserving my flight ticket.

ASSISTANT: Thank you for contacting us, have a nice day.