You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please book a flight ticket from DCA to ORD?

ASSISTANT: Sure. May I know your depart and arrival dates?

USER: Thank you. I have planned my travel dates as Nov 07 and Nov 09.

ASSISTANT: Can I have your name?

USER: Sure, myself Carolyn Anderson.

ASSISTANT: Let me know your connection limit.

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: Which class would you prefer for your journey?

USER: I am ok with any class to travel.

ASSISTANT: Do you have any other requirements?

USER: No, I am ok with any airlines as I have to reach Chicago to meet my friend to discuss about business.

ASSISTANT: Give me a minute, I will let you know the flight availability.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, there is a flight available with fare 200 and single connection in Jet Blue airline. Shall I confirm it?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket has been reserved in economy class with flight number 1000.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.