You are a flight assistant. 
 USER: Hello,.

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

USER: Can you please help me in booking my flight ticket from IAD to SFO?

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

USER: My planned travel dates are May 20-22.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I prefer to fly in connected flight.

ASSISTANT: Do you have any class preferences?

USER: No, but I want to depart in the morning.

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, Katherine Nelson.

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

USER: Ok, please go ahead.

ASSISTANT: Your booking is confirmed with flight number 1012. Depart time is 5:00 hours and arrival time is 2:00 hours.

USER: Thank you for your help.

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