You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Myself Daniel Allen. I am planning to attend my brother's marriage in Chicago, can you please help me in booking the flight ticket from ORD to IAD?

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, I will start my journey on 05/04 and recur back on 05/06.

ASSISTANT: Ok, wait a moment please.

USER: Ok, I will wait for your response.

ASSISTANT: There is a flight in Frontier airline with price 100, can I book it?

USER: That is a perfect match to my desired intents, proceed booking with that flight.

ASSISTANT: Your ticket has been booked with flight number 1026.

USER: Thank you for your expeditious service.

ASSISTANT: Thank you for approaching us.