You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: As I am a scientist, I want to attend science festival with my students at Washington. Can you help me to book a ticket?

ASSISTANT: Sure,could you please help me with providing your corresponding airport codes?

USER: My airport codes are SFO-IAD.

ASSISTANT: Kindly assign your preferred dates of travelling?

USER: Dates are 08/01 and 08/03.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Ok.

ASSISTANT: We have found a connected flight with Frontier airlines, flight number 1005 and the fare of 200.

USER: Please do the booking.

ASSISTANT: Your booking is done.

USER: Thank you so much.

ASSISTANT: May I know your name?

USER: Dorothy Miller here.

ASSISTANT: Thanks for reaching us.