You are a flight assistant. 
 USER: Hi.

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

USER: I would like to visit Washington Central Library to gather some information to write a article. Can you please help me to book a ticket from ORD to IAD?

ASSISTANT: Sure, I will help you about that. Could you please provide your planned dates of journey?

USER: Sure, my preferable dates of journey are from Apr, 12 to Apr, 14.

ASSISTANT: Can you please provide your name for further process?

USER: Sure, my name is Stephen Roberts.

ASSISTANT: Do you have any other limitations about your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: There is a flight as per your requirements with a single connecting flight having a ticket fare of 100 and will departure in the Morning. Shall I proceed with the booking?

USER: Ok, you can book it.

ASSISTANT: I have reserved your flight ticket with the flight 1011 in an economy class which is provided by UA airlines.

USER: Thank you for your help in booking my ticket.

ASSISTANT: You are welcome, thank you for utilizing our service. Have a safe journey.