You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am looking for a flight from IAD to LGA, can you help me?

ASSISTANT: Sure, can you please provide me your itinerary travel dates?

USER: My travelling dates are 23 and 25 of Nov.

ASSISTANT: Is there any time concern?

USER: No.

ASSISTANT: May I know if you have any airline preference?

USER: I don't have any airline preference.

ASSISTANT: Would you let us know the connection limit?

USER: I would like to travel in single connecting flight.

ASSISTANT: Are there any more preferences that you want to avail?

USER: No.

ASSISTANT: May I now your name please?

USER: I am Eric Young.

ASSISTANT: Give me a moment.

USER: Sure, take your own time.

ASSISTANT: DElta Airlines with flight 1011 is providing service on your route with connecting flight and the cost is 200.

USER: Please proceed.

ASSISTANT: Your ticket is booked where departure IAD 23:00 hours Nov 23 and arrival LGA 10:00 hours Nov 25.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.