You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight to Washington to spend my holidays. Can you find me a flight?

ASSISTANT: Sure, may I know your genesis and terminus airport codes?

USER: My source point is OAK and my destination is DCA.

ASSISTANT: Please provide your itinerary dates.

USER: I plan to travel on Feb 13 and return on Feb 15.

ASSISTANT: May I know your name?

USER: My name is Benjamin Taylor.

ASSISTANT: Which class do you prefer?

USER: I am fine with any class.

ASSISTANT: May I know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Please hold on for a while.

USER: Sure.

ASSISTANT: Delta airlines with flight 1010 is providing a connecting flight and ticket costs you 100 in economy class.

USER: Ok, it is good for me.

ASSISTANT: Your ticket is reserved Benjamin Taylor. Flight departs at 18:00 hours and arrives at 6:00 hours.

USER: Thank you for helping me.

ASSISTANT: Thank you for contacting us.